When is the beginning of the "modern era" to you?

[velomont]

Funnily, I started this thread with the same idea in 2018. This newer thread is worthwhile.

When do you think modernity began?

This is sort of a gut-feel thing that I’m curious about. I Googled “the modern era” and, among a variety of definitions, found in Wikipedia that it started around the renaissance. But to you, Dopers, when would you say it started? For me it would definitely be during WW II, and if I was forced to be really specific, I would say that it was heralded by the B-29, with its, albeit early, computer controlled fire control system, and its pressurized cabin. As I said, gut-feel, and I’m curious to hea…