Daily Archives: April 15, 2019

April 15 in San Antonio history…

1955
This is the first day that income tax is due on April 15.  When the Sixteenth Amendment was passed in 1913, the filing deadline for individuals was March 1. It was changed to March 15 in 1918.

1988
Sea World of Texas opens

2000
Sunken Garden Theater is host to Ronnie James Dio and San Antonio rock favorites, Legs Diamond and Budgie.

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