Original sentence: TWA's corporate history dates from the July 16, 1930 forced merger of Transcontinental Air Transport (T-A-T) and Western Air Express to form Transcontinental & Western Air (T&WA)
Edited sentence: TWA's corporate history dates from the July 16, 1930, forced merger of Transcontinental Air Transport (T-A-T) and Western Air Express to form Transcontinental & Western Air (T&WA)