1. The Oklahoma Territory was officially organized on August 6, 1890, following the passage of the Organic Act by the United States Congress. This act designated the Oklahoma Territory as separate from Indian Territory, and established a territorial government with a governor, legislature, and judicial system.

2. On August 6, 1945, the United States dropped an atomic bomb on the Japanese city of Hiroshima, killing an estimated 140,000 people. This event had a significant impact on Oklahoma, as the state was home to the 45th Infantry Division, which played a major role in the Pacific theater of World War II.

3. On August 6, 1917, Jim Thorpe won the decathlon and pentathlon events at the annual Amateur Athletic Union championships, held in Newark, New Jersey. Thorpe's victories cemented his status as one of the greatest athletes of his time, laying the foundation for his later success as an Olympic gold medalist and professional football player.

4. The Battle of Honey Springs, one of the largest Civil War battles in Oklahoma, occurred on August 6, 1863. Union forces under the command of General James G. Blunt defeated Confederate troops led by General Douglas H. Cooper, securing Union control of Indian Territory and paving the way for Oklahoma's eventual statehood.

5. August 6, 1986 marked the opening of the Oklahoma City National Memorial, which honors the 168 people killed in the bombing of the Alfred P. Murrah Federal Building on April 19, 1995. The memorial features an outdoor symbolic memorial, a museum, and the survivor tree, a 100-year-old American Elm that survived the bombing and has become a symbol of resilience and hope for the city.