1. On November 18, 1907, Oklahoma became the 46th state to join the union. It was the result of the Indian Territory and Oklahoma Territory being merged into a single state.

2. In 1927, Oklahoma City oilman, E.W. Marland, was elected governor. During his time in office, he worked to build the state's infrastructure and economy. He also commissioned the construction of the Marland Mansion, currently a historic site in Ponca City.

3. On November 18, 1934, Cherokee Nation Chief William Wirt Hastings passed away. Hastings played a significant role in advocating for Native American rights and was instrumental in the drafting of the Indian Reorganization Act of 1934.

4. In 1960, Oklahoma football legend Bob Stoops was born in Youngstown, Ohio. During his tenure as the University of Oklahoma's head football coach, Stoops led the Sooners to 10 Big 12 championships and a national championship in 2000.

5. On November 18, 1995, the Alfred P. Murrah Federal Building in Oklahoma City was destroyed in a domestic terrorist attack. The event, which was carried out by Timothy McVeigh and Terry Nichols, resulted in the deaths of 168 people and marked the deadliest act of domestic terrorism in U.S. history.