As W2XBS broadcasting on " Channel 1 " ( 44 – 50 MHz ) , the station scored numerous " firsts " , including the first televised Broadway drama ( June 1938 ) , the first live news event covered by mobile unit ( a fire in an abandoned building in November 1938 ) , the first live telecast of a Presidential speech ( Franklin D. Roosevelt opening the 1939 New York World 's Fair ) , the first live telecasts of college and Major League Baseball ( both in 1939 ) , the first telecast of a National Football League game ( also in 1939 ) , the first telecast of a National Hockey League game ( early 1940 ) , the first network ( multi-city ) telecast of a political convention ( the 1940 Republican National Convention , held June 24 – 28 in the Philadelphia Civic Center ) seen also on W3XE Philadelphia ( now KYW-TV ) and W2XB Schenectady ( now WRGB ) , and the broadcast of the feature film '' The Crooked Circle '' on June 18 , 1940
1940 Republican National Convention
1940 Republican National Convention
WNBC