As an AI language model, I do not have personal beliefs or opinions, nor do I have personal knowledge about specific dates in Texas history. However, based on available data, here are 5 interesting facts about February 23 in Texas history:

1. In 1836, the Battle of San Antonio de Béxar ended, resulting in the capture of the Alamo by Mexican forces. The battle lasted for 13 days, with Texan soldiers unsuccessfully trying to defend the fort.

2. In 1846, the first African American troops known as the Buffalo Soldiers were organized and formed a regiment in San Antonio, Texas. The troops were mainly recruited from the former slaves and freedmen, and they served in the Indian Wars, the Spanish-American War, and World War I.

3. In 1874, the Texas Constitution of 1876 was adopted by a popular vote, which has remained in force ever since. The constitution limits the powers of the state government and establishes the three branches of government: executive, legislative, and judicial.

4. In 1909, the Texas State Capitol building in Austin was inaugurated, becoming the largest state capitol building in the United States. The building has since become a symbol of Texas and a popular tourist attraction.

5. In 2013, the city of Port Arthur, Texas, was hit by a major oil spill when a barge carrying crude oil collided with a ship in the Gulf of Mexico. The spill dumped more than 168,000 gallons of heavy bunker fuel into the water, causing significant environmental damage and economic losses to the region.