1. On August 19, 1830, the Indian Removal Act was signed into law by President Andrew Jackson, leading to the forced relocation of Native American tribes, including the Choctaw and Creek, to Indian Territory, which later became Oklahoma.

2. August 19, 1949, marks the premiere of the musical film "The Oklahoma Kid" at the Tower Theater in Oklahoma City. The movie starred James Cagney and was a hit, as the audience cheered and sang along to the songs.

3. On August 19, 1977, a small plane crash near Gillsburg, Mississippi, claimed the lives of six people, including University of Oklahoma quarterback Steve Davis and beloved Oklahoman and businessman Wiley Post's son, James. The tragedy devastated the state and beyond.

4. August 19, 1988, is a significant date for fans of Oklahoma Sooner football, as it marks the day running back Marcus Dupree reported to the team for fall camp. Dupree was considered one of the most talented and highly recruited players in the nation but also dealt with controversy during his time at OU.

5. Finally, on August 19, 2010, Chickasaw Nation Governor Bill Anoatubby and the Oklahoma Historical Society presented historic flags to the Chickasaw Cultural Center in Sulphur, marking the beginning of a partnership to preserve and promote Native American history and culture in Oklahoma. The flags represented the Chickasaw Nation and the United States, among others.