https://www.gannett-cdn.com/presto/2019/07/26/PCIN/baeda096-e47a-4751-a20e-a9cb1d5bc943-wwi4.jpg cincinnati.com today in history, july 28, 1914: world war i began 2019-07-28 Today History, July 28, 1914 World War I began. ..…