March 20 in San Antonio history…
The Mission Broadcasting company of San Antonio today asked the Federal Communications Commission for permission to change the frequency of radio station KONO from 1400 to 860 kilocycles and to increase the power from 250 watts to 1000 watts at night and 5,000 watts during the day. (The change would not take effect until August 30, 1948)
Damian Garcia, along with two others, scale the walls of the Alamo and raise a red flag in defiance of the symbol of Texas revolution and the “theft of Mexican land.” They were members of the of the Revolutionary Communist Party, USA.
Shania Twain makes her first appearance in San Antonio, second on the bill with Toby Keith and John Brannen at Bluebonnet Palace.