1. On June 8, 1790, Congress passed the Residence Act, which established Washington, D.C. as the capital of the United States. The act also authorized the creation of a district to serve as the permanent seat of government.

2. On June 8, 1861, Union troops under the command of General Robert Patterson occupied Frederick, Maryland, a strategic point in the early days of the Civil War. The occupation helped to secure Maryland for the Union and prevent Confederate troops from crossing the Potomac River into the capital.

3. On June 8, 1968, just days after the assassination of Robert F. Kennedy, a memorial service was held for the fallen senator at St. Patrick's Cathedral in New York City. Kennedy, who had been a presidential candidate and served as Attorney General under his brother, President John F. Kennedy, was a beloved figure in the Democratic Party and his death stunned the nation.

4. On June 8, 1972, a group of men affiliated with President Richard Nixon's reelection campaign were arrested at the Watergate complex in Washington, D.C. The break-in and subsequent cover-up would eventually lead to Nixon's resignation from the presidency and a landmark investigation into government corruption.

5. On June 8, 2020, protesters gathered in Lafayette Square outside the White House to demonstrate against police brutality and racial injustice in the aftermath of the killing of George Floyd by Minneapolis police officers. The peaceful protest was met with a violent crackdown by law enforcement, including the use of tear gas and rubber bullets, sparking national outrage and renewed calls for reform.