1949 Event KDKA TV channel 2 in Pittsburgh, Pennsylvania (CBS) begins broadcasting 1921 Event 1st radio baseball broadcast Pirates-8, Phillies-0 (KDKA, Pitts) 1921 Event KDKA broadcast 1st radio sporting event, a boxing match (Ray-Dundee) 1920 Event KDKA (Pittsburgh) goes on air as 1st commercial radio station 1920 Event Westinghouse radio station in East Pittsburgh, KDKA begins
