Which event did not occur in the Philadelphia region?

Benjamin Franklin’s kite experiment in 1752 [3 votes] (27%)
 
First commercial radio broadcast in 1920 [4 votes] (36%)
 
Development of TV technology in the 1930s [1 votes] (9%)
 
Development of the ENIAC general-purpose computer in 1946 [2 votes] (18%)
 
AR founded in a basement in 1969 [1 votes] (9%)
 
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