2009+ 624 = 2633 years ago
From 1BC to 2009 was 2009 years, as there was no year zero.
4023
4023
2009+1800= 3809 years ago
Thales was born around 624 BC and died around 546 BC.
2159 years
You would think the answer was 2009-(-543) = 2009+543 = 2552 but, since there was no year 0, the answer is 2551.
470 years.
2451 years
49 years
06-10-2010 : 2762 years ago.
2009 bc 2009 bc 2009 bc 2009 bc 2009 bc