1. On November 21, 1906, Oklahoma was officially recognized as a state. President Theodore Roosevelt signed a proclamation declaring Oklahoma to be the 46th state in the United States. This momentous event was the culmination of decades of efforts by settlers and politicians alike to gain statehood for Oklahoma.

2. On November 21, 1985, the world's largest cube-shaped building was completed in Oklahoma City. Known as the Myriad Convention Center, the building was designed to be both visually stunning and functional. It quickly became a landmark in the city and is now home to many important events and conventions.

3. Tulsa's iconic art deco Union Depot train station opened on November 21, 1931. The station was designed by Tulsa architect R.C. McClure and was a major hub of transportation in Tulsa for decades. Although train travel declined in the latter half of the 20th century, the Union Depot remains an important piece of Tulsa's architectural and cultural heritage.

4. The Oklahoma Historical Society was founded on November 21, 1893. The society's mission is to collect, preserve, and share the history of Oklahoma and its people. Today, the society maintains several museums and research facilities throughout the state, and is an important resource for scholars, researchers, and interested citizens.

5. On November 21, 1933, Bonnie and Clyde were finally caught and arrested in a small town in southern Oklahoma. The infamous duo had been on the run for nearly two years, committing a string of robberies and murders across several states. They were eventually ambushed by law enforcement officers and killed in a hail of gunfire, bringing an end to their violent crime spree.