Calendar
October 25, 2010 - 7:25 pm
A calendar is a system of organizing days for social, religious, commercial, or administrative purposes. This is done by giving names to periods of time, typically days, weeks, months, and years. The name given to each day is known as a date. Periods in a calendar (such as years and months) are usually, though not necessarily, synchronized with the cycle of the sun or the moon. Many civilizations and societies have devised a calendar, usually derived from other calendars on which they model their systems, suited to their particular needs.
Age: somewhere between 15.000 and 25.000 BC
Would not have been invented without:
Writing
Pottery
Brain
August 22nd, 2014 at 3:49 pm
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tnx for info!…
August 22nd, 2014 at 9:33 pm
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спс за инфу!…
August 22nd, 2014 at 9:39 pm
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thanks for information!!…
August 22nd, 2014 at 10:11 pm
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спс!!…
August 22nd, 2014 at 10:20 pm
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спс!…
August 22nd, 2014 at 11:16 pm
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сэнкс за инфу!!…
August 23rd, 2014 at 1:43 am
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good info!!…
August 23rd, 2014 at 2:19 am
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спс за инфу….
August 23rd, 2014 at 3:19 am
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thank you!…
August 23rd, 2014 at 9:28 am
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thank you!…
August 23rd, 2014 at 9:51 am
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tnx for info….
August 23rd, 2014 at 12:12 pm
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good!!…
August 23rd, 2014 at 12:39 pm
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tnx for info!!…
August 23rd, 2014 at 12:47 pm
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thanks for information!…
August 23rd, 2014 at 12:54 pm
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tnx!!…
August 23rd, 2014 at 2:50 pm
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thanks for information….
August 24th, 2014 at 2:49 am
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спс за инфу!…
August 24th, 2014 at 6:19 am
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спасибо за инфу!…
August 24th, 2014 at 7:19 am
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tnx for info….
August 24th, 2014 at 9:18 am
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спасибо!…
August 24th, 2014 at 11:17 am
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благодарен….
August 26th, 2014 at 5:38 am
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благодарен….
August 26th, 2014 at 9:44 am
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tnx for info!!…
August 26th, 2014 at 10:29 am
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спасибо за инфу….
August 26th, 2014 at 11:48 am
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thanks for information!!…
August 26th, 2014 at 4:17 pm
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good info….
August 26th, 2014 at 4:25 pm
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спасибо за инфу….
August 26th, 2014 at 5:31 pm
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сэнкс за инфу!…
November 13th, 2014 at 11:30 pm
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thanks for information….
November 16th, 2014 at 6:03 pm
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tnx for info!!…
November 16th, 2014 at 8:44 pm
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ñýíêñ çà èíôó….
November 17th, 2014 at 4:07 am
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ñïñ!!…
November 17th, 2014 at 4:55 am
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hello!!…
November 17th, 2014 at 5:32 am
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good info!…
November 17th, 2014 at 8:48 am
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thanks!…
November 17th, 2014 at 9:02 am
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tnx for info!!…
November 17th, 2014 at 9:46 am
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thanks!!…
November 17th, 2014 at 2:08 pm
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good info!…
November 17th, 2014 at 4:31 pm
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thanks for information!!…
November 18th, 2014 at 5:44 am
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ñïñ!!…
November 18th, 2014 at 7:38 am
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ñýíêñ çà èíôó!!…
November 18th, 2014 at 10:41 am
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good info….
November 18th, 2014 at 11:35 am
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ñïñ!!…
November 18th, 2014 at 12:32 pm
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thanks for information!…
November 18th, 2014 at 4:38 pm
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ñïàñèáî çà èíôó!…
November 18th, 2014 at 7:34 pm
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tnx for info….
November 18th, 2014 at 10:01 pm
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ñýíêñ çà èíôó….
November 18th, 2014 at 11:17 pm
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good….
November 19th, 2014 at 4:03 am
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ñïñ!!…
November 19th, 2014 at 6:31 am
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tnx for info!…
November 19th, 2014 at 9:26 am
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hello!…
November 19th, 2014 at 1:12 pm
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good info!!…
November 19th, 2014 at 1:36 pm
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ñýíêñ çà èíôó!!…
November 19th, 2014 at 3:19 pm
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ñïàñèáî….
November 20th, 2014 at 12:44 am
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tnx for info!…
November 20th, 2014 at 12:28 pm
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ñïñ!…
November 20th, 2014 at 2:39 pm
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ñïàñèáî çà èíôó!…
November 20th, 2014 at 3:20 pm
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thank you!…
November 20th, 2014 at 10:18 pm
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tnx!…
November 21st, 2014 at 7:42 am
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thanks….
November 21st, 2014 at 3:17 pm
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áëàãîäàðþ….
November 21st, 2014 at 6:22 pm
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tnx for info!…
November 22nd, 2014 at 6:42 am
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ñïàñèáî çà èíôó!…
November 22nd, 2014 at 9:29 am
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tnx for info….
November 22nd, 2014 at 10:20 am
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ñïàñèáî çà èíôó!…
November 22nd, 2014 at 11:40 am
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ñýíêñ çà èíôó!…
November 22nd, 2014 at 7:11 pm
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ñïñ!!…
November 22nd, 2014 at 10:40 pm
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ñïàñèáî çà èíôó!…
November 22nd, 2014 at 11:25 pm
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ñýíêñ çà èíôó!…
November 23rd, 2014 at 1:17 pm
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hello!!…
November 23rd, 2014 at 7:58 pm
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ñýíêñ çà èíôó!…
November 23rd, 2014 at 8:50 pm
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good!…
November 24th, 2014 at 3:05 am
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thanks for information….
November 24th, 2014 at 8:08 am
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ñýíêñ çà èíôó!…
November 24th, 2014 at 8:08 pm
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ñýíêñ çà èíôó!!…
November 24th, 2014 at 11:42 pm
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thank you!…
November 25th, 2014 at 1:55 pm
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ñïñ çà èíôó!…
November 25th, 2014 at 3:35 pm
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ñïàñèáî çà èíôó!!…
November 25th, 2014 at 3:43 pm
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tnx for info….
November 25th, 2014 at 7:46 pm
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ñïñ….
November 25th, 2014 at 10:10 pm
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ñïñ!!…
November 25th, 2014 at 11:43 pm
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ñýíêñ çà èíôó….
November 26th, 2014 at 10:47 am
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ñýíêñ çà èíôó!!…
November 26th, 2014 at 6:09 pm
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ñïñ!!…
November 26th, 2014 at 8:37 pm
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ñïñ çà èíôó….
November 27th, 2014 at 6:24 pm
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good!…
November 27th, 2014 at 7:01 pm
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tnx for info!!…
November 27th, 2014 at 8:39 pm
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ñïñ!…
November 27th, 2014 at 9:53 pm
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ñýíêñ çà èíôó!!…
November 27th, 2014 at 10:25 pm
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ñïñ!!…
November 28th, 2014 at 6:11 am
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hello!!…
November 28th, 2014 at 10:03 am
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good….
November 28th, 2014 at 10:36 am
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thanks for information….
November 28th, 2014 at 2:00 pm
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ñïñ çà èíôó!!…
November 28th, 2014 at 9:26 pm
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ñïàñèáî!…
November 28th, 2014 at 11:08 pm
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ñïñ çà èíôó!…
November 29th, 2014 at 2:53 am
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ñïàñèáî çà èíôó!!…
November 29th, 2014 at 1:35 pm
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áëàãîäàðñòâóþ….
November 29th, 2014 at 4:35 pm
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thanks!!…
November 29th, 2014 at 7:49 pm
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tnx!…
November 29th, 2014 at 10:39 pm
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ñïàñèáî!!…
November 30th, 2014 at 6:22 pm
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ñïàñèáî çà èíôó!!…
November 30th, 2014 at 7:49 pm
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ñïñ….
November 30th, 2014 at 8:55 pm
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tnx for info….
December 1st, 2014 at 4:59 am
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ñïñ çà èíôó….
December 1st, 2014 at 5:28 am
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ñïàñèáî çà èíôó!…
December 1st, 2014 at 8:03 am
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tnx for info!!…
December 1st, 2014 at 6:30 pm
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ñïàñèáî çà èíôó!!…
December 1st, 2014 at 7:57 pm
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ñïñ çà èíôó….
December 1st, 2014 at 8:18 pm
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ñïàñèáî!…
December 4th, 2014 at 7:58 pm
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ñïñ….
December 4th, 2014 at 9:09 pm
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ñïñ!…
December 4th, 2014 at 9:40 pm
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thank you!!…
December 6th, 2014 at 8:37 pm
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ñïñ….
December 6th, 2014 at 9:26 pm
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thanks!…
December 6th, 2014 at 9:57 pm
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tnx for info!…
December 8th, 2014 at 12:07 pm
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ñïñ….
December 8th, 2014 at 12:40 pm
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ñïñ!!…
December 8th, 2014 at 6:35 pm
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tnx for info….
December 8th, 2014 at 7:47 pm
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tnx!!…
December 8th, 2014 at 9:55 pm
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good info….
December 9th, 2014 at 9:55 pm
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good info!!…
December 9th, 2014 at 10:55 pm
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áëàãîäàðåí….
December 9th, 2014 at 11:51 pm
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áëàãîäàðåí….
December 10th, 2014 at 12:33 am
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ñýíêñ çà èíôó!!…
December 10th, 2014 at 1:16 am
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good!…
December 10th, 2014 at 2:29 am
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áëàãîäàðñòâóþ!…
December 10th, 2014 at 3:10 am
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hello!!…
December 10th, 2014 at 3:50 am
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ñïñ!…
December 10th, 2014 at 7:51 am
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ñïñ çà èíôó!!…
December 10th, 2014 at 11:31 am
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good!…
December 10th, 2014 at 12:41 pm
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hello!…
December 10th, 2014 at 7:32 pm
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thanks!…
December 12th, 2014 at 6:37 am
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tnx for info!…
December 12th, 2014 at 8:09 pm
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ñïàñèáî çà èíôó!!…
December 13th, 2014 at 1:48 am
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ñýíêñ çà èíôó….
December 13th, 2014 at 3:40 am
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ñýíêñ çà èíôó!…
December 13th, 2014 at 4:14 am
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áëàãîäàðþ….
December 13th, 2014 at 6:06 am
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ñýíêñ çà èíôó!…
December 13th, 2014 at 5:16 pm
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ñïàñèáî!!…
December 13th, 2014 at 9:56 pm
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tnx for info!…
December 13th, 2014 at 11:06 pm
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thanks!…
December 13th, 2014 at 11:42 pm
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ñýíêñ çà èíôó!…
December 14th, 2014 at 12:17 am
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ñïñ….
December 14th, 2014 at 12:49 am
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good info!…
December 14th, 2014 at 4:41 am
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áëàãîäàðåí….
December 14th, 2014 at 9:56 am
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ñïñ çà èíôó….
December 14th, 2014 at 2:49 pm
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thank you….
December 14th, 2014 at 3:24 pm
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áëàãîäàðåí!!…
December 14th, 2014 at 3:57 pm
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ñïñ!…
December 14th, 2014 at 4:30 pm
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good info….
December 14th, 2014 at 5:04 pm
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ñïñ!…
December 14th, 2014 at 5:38 pm
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ñïñ!!…
December 14th, 2014 at 6:13 pm
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tnx for info!!…
December 14th, 2014 at 6:47 pm
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thanks for information!!…
December 14th, 2014 at 7:22 pm
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ñïñ….
December 15th, 2014 at 4:49 am
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ñïñ çà èíôó!…
December 16th, 2014 at 3:03 pm
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good info….
December 18th, 2014 at 6:04 pm
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hello….
December 18th, 2014 at 8:30 pm
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áëàãîäàðþ!…
December 18th, 2014 at 11:53 pm
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ñýíêñ çà èíôó!!…
December 19th, 2014 at 12:33 am
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thanks!!…
December 19th, 2014 at 1:09 am
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ñïñ!!…
December 19th, 2014 at 1:44 am
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thank you….
December 20th, 2014 at 3:21 am
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áëàãîäàðñòâóþ!!…
December 20th, 2014 at 9:42 am
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ñïñ!…
December 20th, 2014 at 10:03 am
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ñïàñèáî!…
December 21st, 2014 at 1:21 pm
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tnx!!…
December 21st, 2014 at 1:51 pm
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ñïñ!…
December 21st, 2014 at 2:56 pm
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tnx for info!!…
December 22nd, 2014 at 8:22 am
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tnx for info….
December 22nd, 2014 at 4:42 pm
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áëàãîäàðñòâóþ!…
December 23rd, 2014 at 11:00 am
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thank you!!…
December 23rd, 2014 at 4:06 pm
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ñïàñèáî!!…
December 24th, 2014 at 2:52 am
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tnx for info….
December 24th, 2014 at 7:19 am
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ñïñ!…
December 24th, 2014 at 12:50 pm
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tnx for info!…
December 24th, 2014 at 7:56 pm
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hello!…
December 24th, 2014 at 8:21 pm
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good!…
December 24th, 2014 at 9:41 pm
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ñïñ….
December 24th, 2014 at 10:25 pm
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ñïñ çà èíôó!…
December 25th, 2014 at 3:22 pm
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thanks for information!…
December 25th, 2014 at 8:43 pm
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good….
December 25th, 2014 at 9:13 pm
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ñïàñèáî çà èíôó!!…
December 25th, 2014 at 9:33 pm
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ñïñ çà èíôó….
December 25th, 2014 at 10:46 pm
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tnx for info!!…
December 25th, 2014 at 11:15 pm
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ñýíêñ çà èíôó!!…
December 25th, 2014 at 11:48 pm
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ñïñ çà èíôó!!…
December 26th, 2014 at 11:38 am
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ñýíêñ çà èíôó!…
January 14th, 2015 at 7:32 am
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thank you….
January 14th, 2015 at 9:48 am
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thanks!…
January 14th, 2015 at 5:16 pm
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ñïñ çà èíôó!…
January 14th, 2015 at 9:22 pm
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tnx for info!…
January 15th, 2015 at 5:44 am
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good!!…
January 15th, 2015 at 2:20 pm
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ñýíêñ çà èíôó….
January 16th, 2015 at 2:01 am
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ñïñ!!…
January 16th, 2015 at 8:31 pm
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ñýíêñ çà èíôó!!…
January 16th, 2015 at 9:31 pm
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ñïñ çà èíôó….
January 16th, 2015 at 10:52 pm
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ñýíêñ çà èíôó!!…
January 17th, 2015 at 1:04 am
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ñïñ!…
January 17th, 2015 at 7:25 am
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tnx!!…
January 17th, 2015 at 9:07 am
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áëàãîäàðþ….
January 17th, 2015 at 4:33 pm
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ñïñ çà èíôó….
January 18th, 2015 at 3:40 pm
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tnx for info….
January 18th, 2015 at 3:50 pm
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ñïàñèáî çà èíôó!…
January 18th, 2015 at 5:19 pm
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ñïàñèáî çà èíôó!…
January 19th, 2015 at 1:43 am
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ñïàñèáî çà èíôó!!…
January 19th, 2015 at 2:19 am
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thank you!…
January 19th, 2015 at 2:55 am
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ñïñ!!…
January 19th, 2015 at 3:27 am
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ñïñ!…
January 19th, 2015 at 8:52 am
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ñïñ çà èíôó….
January 19th, 2015 at 9:25 am
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tnx….
January 20th, 2015 at 2:08 am
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good!!…
January 20th, 2015 at 9:16 am
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ñïñ çà èíôó….
January 20th, 2015 at 9:27 am
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ñïñ!!…
January 20th, 2015 at 12:27 pm
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áëàãîäàðþ….
January 20th, 2015 at 10:55 pm
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thank you….
January 21st, 2015 at 12:16 am
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thanks!…
January 21st, 2015 at 5:41 am
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ñïñ….
January 21st, 2015 at 11:50 am
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thank you….
January 22nd, 2015 at 11:00 am
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thank you….
January 22nd, 2015 at 12:36 pm
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ñïñ….
January 22nd, 2015 at 8:45 pm
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ñïàñèáî çà èíôó….
January 23rd, 2015 at 3:11 am
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good info….
January 23rd, 2015 at 8:13 am
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tnx for info….
January 23rd, 2015 at 1:25 pm
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ñïñ çà èíôó!…
January 24th, 2015 at 3:28 am
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ñýíêñ çà èíôó….
January 24th, 2015 at 4:06 pm
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áëàãîäàðñòâóþ!!…
January 24th, 2015 at 6:30 pm
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thanks!…
January 24th, 2015 at 7:04 pm
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ñýíêñ çà èíôó!…
January 24th, 2015 at 7:26 pm
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good info….
January 25th, 2015 at 7:07 am
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ñïñ!…
January 25th, 2015 at 7:41 am
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tnx….
January 25th, 2015 at 8:07 pm
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ñïàñèáî!!…
January 27th, 2015 at 4:53 am
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tnx!!…
January 27th, 2015 at 5:24 am
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ñïàñèáî çà èíôó!!…
January 27th, 2015 at 9:54 am
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áëàãîäàðñòâóþ!!…
January 27th, 2015 at 1:26 pm
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áëàãîäàðþ!!…
January 28th, 2015 at 1:40 am
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tnx for info!!…
January 28th, 2015 at 6:24 am
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thanks for information!!…
January 28th, 2015 at 7:24 pm
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tnx….
January 29th, 2015 at 2:34 am
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ñïñ çà èíôó….
January 29th, 2015 at 4:58 pm
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ñïàñèáî çà èíôó!!…
January 31st, 2015 at 2:38 am
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ñïñ!…
January 31st, 2015 at 6:44 am
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ñïàñèáî çà èíôó….
January 31st, 2015 at 8:38 am
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ñïñ çà èíôó!…
January 31st, 2015 at 9:09 am
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ñïàñèáî çà èíôó….
January 31st, 2015 at 9:54 pm
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tnx for info!!…
February 2nd, 2015 at 8:12 am
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hello!!…
February 2nd, 2015 at 8:43 am
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ñïàñèáî!…
February 2nd, 2015 at 9:14 am
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ñïàñèáî çà èíôó!!…
February 3rd, 2015 at 3:03 am
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ñïñ çà èíôó!…
February 3rd, 2015 at 9:50 pm
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ñïàñèáî çà èíôó….
February 3rd, 2015 at 11:51 pm
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ñïàñèáî çà èíôó!!…
February 4th, 2015 at 3:50 am
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thank you!!…
February 4th, 2015 at 6:52 pm
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áëàãîäàðåí!…
February 4th, 2015 at 7:21 pm
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ñïñ!…
February 4th, 2015 at 7:55 pm
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hello!…
February 4th, 2015 at 8:30 pm
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thanks for information….
February 6th, 2015 at 9:32 am
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ñýíêñ çà èíôó!…
February 6th, 2015 at 11:54 am
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áëàãîäàðåí!…
February 6th, 2015 at 12:26 pm
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ñýíêñ çà èíôó!!…
February 6th, 2015 at 12:56 pm
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thank you!…
February 7th, 2015 at 11:24 am
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ñïñ çà èíôó!!…
February 7th, 2015 at 11:54 am
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ñïñ çà èíôó!…
February 7th, 2015 at 6:29 pm
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áëàãîäàðñòâóþ!!…
February 7th, 2015 at 7:00 pm
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ñïàñèáî çà èíôó!…
February 9th, 2015 at 3:49 am
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thanks….
February 9th, 2015 at 1:17 pm
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ñïàñèáî çà èíôó….
February 9th, 2015 at 5:57 pm
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ñïàñèáî çà èíôó….
February 9th, 2015 at 6:36 pm
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ñïàñèáî….
February 9th, 2015 at 7:14 pm
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hello….
February 9th, 2015 at 7:53 pm
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ñïñ!…
February 9th, 2015 at 10:13 pm
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ñïàñèáî!…
February 9th, 2015 at 11:04 pm
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thanks for information!!…
February 10th, 2015 at 3:06 am
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ñïñ!…
February 10th, 2015 at 3:44 am
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ñïàñèáî çà èíôó!!…
February 10th, 2015 at 4:19 am
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good!!…
February 10th, 2015 at 4:55 am
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ñïñ!…
February 10th, 2015 at 5:31 am
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thanks!!…
February 10th, 2015 at 8:19 am
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ñïñ çà èíôó!!…
February 10th, 2015 at 9:21 am
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ñïñ!!…
February 10th, 2015 at 4:27 pm
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thanks!!…
February 10th, 2015 at 7:12 pm
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ñïñ!…
February 10th, 2015 at 7:51 pm
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ñýíêñ çà èíôó!!…
February 10th, 2015 at 8:30 pm
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ñïñ….
February 10th, 2015 at 9:17 pm
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ñïñ çà èíôó!…
February 10th, 2015 at 9:57 pm
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áëàãîäàðñòâóþ!!…
February 11th, 2015 at 12:35 am
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tnx!!…
February 11th, 2015 at 4:57 am
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tnx!!…
February 11th, 2015 at 10:38 am
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ñýíêñ çà èíôó….
February 12th, 2015 at 7:49 pm
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ñïñ!…
February 13th, 2015 at 7:10 am
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ñïàñèáî!!…
February 13th, 2015 at 2:21 pm
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thank you!!…
February 13th, 2015 at 9:56 pm
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áëàãîäàðþ….
February 14th, 2015 at 11:56 am
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thanks for information!…
February 14th, 2015 at 1:26 pm
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ñïñ….