Interesting no doubt, but….. I would argue that a more significant date was Kodak’s introduction of the Brownie camera in February 1900 and 120 roll film in 1901. The Brownie, at $1 and a 6 exposure roll of film at $.15 cents that could be processed and printed for an additional $1 was the real start of the democratization of photography. And the basic box Brownie continued to be sold for the next 50 years at least, quite a run in todays ‘5 years and it’s obsolete’ production cycle.
Although, I’d suppose the closest camera to today that would have a reasonable claim on that achievement is the Holga 120. Sold since 1982 and with only a few small changes, (looks and operates very much the same anyway) is closing in on 40 years in production.