April 17 in San Antonio history…
1917 – World War I
The San Antonio Light reports that German spies are at work in San Antonio and have been carrying on their activities for an undetermined period, compiling all the data obtainable which might be of use or advantage to alien enemies. Federal officers have asked the aid of Chief of Police Lancaster and his men in running down these German agents, some of whom are said to be reservists of the German army and all in the employ of the imperial German government.
Rev. Martin Luther King, Sr., father of the slain civil rights leader, speaks in the Grand Ballroom of the Marriott Hotel here. The event also features singer Jessy Dixon and is a fundraiser for United Ministries.