1. In 1837, the Republic of Texas entered into a treaty with the Cherokee Nation, granting them land in East Texas in exchange for their removal from other parts of the state. This treaty led to the establishment of a Cherokee community in Texas that still exists today.

2. On December 11, 1841, the Texan Santa Fe Expedition, a failed attempt to gain control of the New Mexican territory, was officially disbanded after being taken prisoner by Mexican forces. Over 300 Texans were imprisoned, with some held captive for years.

3. Texas oil billionaire, H. L. Hunt, was born on December 11, 1889. He went on to become one of the richest men in the world and a major player in the oil industry, with his family still involved in various business ventures today.

4. In 1997, the Texas Rangers officially retired the number 34 in honor of Hall of Fame pitcher Nolan Ryan, who spent five seasons with the team and recorded his 5,000th career strikeout while playing in Texas. Ryan remains a beloved figure in Texas sports history.

5. On December 11, 2001, the Enron Corporation, once one of the largest energy companies in the world, filed for bankruptcy. The scandal and fallout from the company's collapse was one of the biggest corporate scandals in American history and had significant effects on the stock market and business practices.