Here's a contemporaneous article about the guy who invented cybernetics, Norbert Wiener, who said thinking machines were putting us on the eve of destruction.
The Sanxingdui Ruins in Sichuan Province, one of the most well-known archaeological sites of 2021, was contemporaneous with the Shang Dynasty (c.1600BC-1046BC).
But Dominic, remember that wonderful description of Harold Godwinson going through life with watchful mockery through ambush after ambush, which is contemporaneous.
Depositions are especially useful because they provide a contemporaneous account of a witness's recollection of events and allow counsel to assess credibility.