1. In 1903, the city of Tulsa was incorporated in Oklahoma Territory. Originally founded as a small settlement on the Arkansas River, Tulsa grew rapidly during the oil boom of the early 20th century and became a major hub for energy production and transportation.

2. On April 29, 1961, the 101 Ranch Rodeo and Wild West Show closed after more than four decades of operation. Founded by Colonel George W. Miller in 1905, the 101 Ranch was one of the largest and most famous cattle ranches in the United States, and its rodeo was a popular attraction for visitors from around the world.

3. In 1972, Oklahoma Governor David Hall signed into law the Oklahoma Indian Affairs Commission Act, creating a state agency dedicated to improving relations between Native American tribes and the state government. Today, the Oklahoma Indian Affairs Commission promotes economic development, cultural preservation, and other important initiatives throughout the state's tribal communities.

4. On April 29, 1980, an F4 tornado tore through the town of Vici in northwestern Oklahoma, causing extensive damage and killing three people. The tornado was part of a larger outbreak that affected several states in the region and was one of the deadliest tornado outbreaks in Oklahoma history.

5. In 2009, the Oklahoma City Thunder played its first-ever playoff game at the Ford Center (now the Chesapeake Energy Arena) in downtown Oklahoma City. The Thunder, which had relocated from Seattle the previous year, made a surprise postseason run that year, advancing to the Western Conference Finals before losing to the eventual champion Los Angeles Lakers.