it was about 1 billion years ago.
1510
It started on 28 July 1914 and ended on 11 November 1918 96 years ago
2010 - 1750 = 260
Pangaea was the supercontinent that existed during the Paleozoic and Mesozoic eras about 250 million years ago.
The Sahara is as dry now as it was about 13000 years ago
Archaeologists believe it was built about 4-5000 years ago sometime between 3000BC and 2000BC
4010 years and 5 months and 5 days
3499, because there was no year zero.
Well, honey, if you're asking how many years ago 5000 years ago was, the answer is pretty straightforward. 5000 years ago was, surprise surprise, 5000 years ago. Time may fly, but math is pretty consistent.
38 years ago
13010 years ago
42 years ago
Greek had them about 2000BC give or take a few years
fourscore and seven years ago means 87 years ago
49 years ago (as of 2017 !)
The year 1452 was 569 years ago.