What happen a year ago?

Answer 1

Now, we do know a great deal thanks to the fossil record

It was the Calabrian stage of the Pleistocene. 1,000,000 years is not particularly significant - the end of that stage had the poles reverse and a plunge into an ice age

Animals would be largely familiar, including mastodons, smilodons and giant sloths. Not to mention Homo erectus, one of our more successful ancestors.