Four thousand years ago was the year 2000 BCE.
23 years ago was the year 1999.
Homo habilis is believed to have gone extinct around 1.4 million years ago.
They lived 140,000 years ago, and they lived in Euorpe. They also lived in groups and hunted in packs. These were the first real humans to live. They could not feel pain though. These people were smart and good but they died out.
392 years ago from today was in 1629.
it shows there were plant
Historical evidence shows that Ice Age people lived there 18,000 years ago.
The Sahara is as dry now as it was about 13000 years ago
they ate fish and sea animals
A light-year is a measurement of distance - not time. Therefore - there is no answer to your question.
The year 1452 was 569 years ago.
What was the year 1400 years ago and how it is A.D?
149 years ago it was the year 1868.
As of the year 2017, it was 1900 117 years ago.
Many in what is now the Pacific Northwest of North America, including Vancouver Island.
From 2020, it was 2017 3 years ago.
50 years ago was 1960!!