Here are 5 interesting facts about July 25 in District of Columbia history:

1. In 1755, a group of Native American tribes from the Ohio Valley and Great Lakes regions attacked British and American colonists during the French and Indian War. The event is now known as the Battle of Monongahela and resulted in a major defeat for the British troops.

2. On July 25, 1898, the United States invaded Puerto Rico during the Spanish-American War. American troops landed in the port city of Guánica and eventually took control of the island from Spanish forces.

3. In 1925, the famous Scopes Trial came to an end in Dayton, Tennessee. The trial, which focused on the teaching of evolution in public schools, resulted in a guilty verdict for biology teacher John Scopes.

4. On July 25, 1952, Puerto Rico officially became a self-governing commonwealth of the United States with the signing of the Puerto Rico Constitution.

5. In 1995, a major heat wave struck the District of Columbia and much of the eastern United States. Temperatures in the city soared to over 100 degrees Fahrenheit for several days, leading to power outages, water shortages, and several heat-related deaths.