Explorer Sir Francis Drake claims land on America's West Coast and sends a geopolitical ripple across 300 years of American history. American colonists fight the Battle of Bunker Hill, the Statue of Liberty arrives in New York Harbor, and it's the anniversary of the Watergate break in. The U.S. established it's second Independence Day - marking Juneteenth, the end of slavery in the U.S. - with a reading from Congress.