1. In 1890, the first state capitol building in Oklahoma was completed in Guthrie. The building served as the state capitol until 1910 when the capital was moved to Oklahoma City.

2. In 1908, the state of Oklahoma passed a law prohibiting the manufacture and sale of liquor. This law remained in effect until 1959 when the state adopted a new law allowing for the sale of beer with an alcohol content of 3.2 percent or less.

3. In 1930, oil was discovered in the town of Healdton in southern Oklahoma. This discovery led to a boom in oil production in the state, making Oklahoma one of the leading oil-producing states in the country.

4. In 1965, the iconic sign for the Blue Whale of Catoosa was erected. The Blue Whale is a popular roadside attraction and swimming hole in Catoosa, Oklahoma.

5. In 2006, the University of Oklahoma men's basketball team reached the NCAA Final Four championship game for the first time in school history. The team ultimately lost to the University of Florida in the championship game.