1. In 1903, President Theodore Roosevelt dedicated the first section of Rock Creek Park in Washington, D.C. This urban park covers over 1,700 acres and is one of America's largest urban parks.

2. In 1969, the Supreme Court of the United States heard oral arguments in the landmark case Tinker v. Des Moines Independent Community School District. The case dealt with the issue of students' rights to free speech in public schools.

3. In 1974, British Prime Minister Harold Wilson visited Washington, D.C. and held talks with President Gerald Ford. The discussions centered around economic issues and international relations.

4. In 1995, the US Capitol was closed after a government shutdown forced the furlough of thousands of federal workers. The shutdown ended a few days later, but it highlighted the ongoing political battles in Congress over federal spending and government programs.

5. In 2009, President Barack Obama signed the Matthew Shepard and James Byrd Jr. Hate Crimes Prevention Act into law. The Act expanded federal law to include hate crimes based on sexual orientation, gender identity, and disability, and provided new resources for the investigation and prosecution of hate crimes.