1. The Battle of Honey Springs: On July 3, 1863, the Battle of Honey Springs took place near Rentiesville, Oklahoma during the Civil War. It was the largest battle to take place in the state, and was a significant victory for Union troops, who were able to capture the Confederate position and drive them back towards Texas.

2. Cherokee Nation founded: July 3, 1828 marks the day that the Cherokee Nation was officially founded in Oklahoma. This came after the Indian Removal Act of 1830 and the subsequent forced relocation of Native Americans from their ancestral homelands in the southeastern United States.

3. First airplane flight: On July 3, 1914, aviator Eugene B. Ely successfully completed the first airplane flight in Oklahoma. He took off from the Oklahoma State Fairgrounds in Oklahoma City and landed in Guthrie, 30 miles to the north.

4. Oklahoma City bombing memorial: The Oklahoma City Bombing Memorial was dedicated on July 3, 2000, five years after the tragic event that claimed the lives of 168 people. The memorial features a reflecting pool, a field of empty chairs, and the words of survivor and rescuer stories etched on the walls.

5. Statehood day: Oklahoma was officially admitted as the 46th state of the United States on November 16, 1907, but July 3 is celebrated as Statehood Day. This day commemorates the passage of the Oklahoma Enabling Act in 1906, which paved the way for statehood.