June 21 in San Antonio history…
1917 – World War I
Preliminary work on the building of cantonments for the 40,000 men to be housed at Camp Wilson after September will be started within a week and before another week elapses probably 5,000 mechanics and laborers will be hard at work on construction.
Jimmy Johnson’s Playland comes to San Antonio and holds its grand opening in its first location at 223 N. St. Mary’s Street.
The Police Department replaces their traditional royal and French blue uniforms with dark navy blue.