1. In 1916, on August 25, the Oklahoma Military Academy was established in Claremore, Oklahoma. The academy trained cadets for military service and provided education in areas such as engineering, business, and agriculture.

2. On August 25, 1954, Hurricane Carol made landfall in southeastern Oklahoma causing widespread damage and claiming 16 lives. The hurricane also caused heavy rains, flooding, and isolated tornadoes in the state.

3. In 1983, on August 25, Oklahoma became the last state in the US to establish a Martin Luther King Jr. Day holiday. The holiday is celebrated on the third Monday in January, in honor of the civil rights leader's birthday.

4. On August 25, 1889, the first Oklahoma Land Run occurred, which saw thousands of settlers rush into the newly-opened Unassigned Lands to stake their claim. This event led to the establishment of towns such as Oklahoma City, Guthrie, and Stillwater.

5. In 1921, on August 25, the Tulsa Race Massacre Commission was established by the Oklahoma legislature to investigate and determine the scope of the 1921 Tulsa race riot. The commission's findings were released in 2001 and concluded that the riot resulted in the deaths of at least 36 people and the destruction of more than 1,200 homes and businesses in the Black community of Greenwood.