Birdwatch Note Rating
2023-05-02 09:57:27 UTC - HELPFUL
Rated by Participant: 1F1E8FE771CA758438CCC151F730C313DA253FBE85D1109E6777E47E66D17E60
Participant Details
Original Note:
The SR-71 Blackbird first flight was in 1964, whereas the first 'electronic' calculator was created in 1961. The first 'solid state pocket calculator' was created in the early 1970s, after the first flight of the Blackbird. https://en.wikipedia.org/wiki/Calculator#1970s_to_mid-1980s https://en.wikipedia.org/wiki/Lockheed_SR-71_Blackbird
All Note Details