Today, the nation observes Juneteenth, a day commemorating when the last enslaved people in the U.S. found out they were free. Events are planned across the cou... (opens in new tab)

Today, the nation observes Juneteenth, a day commemorating when the last enslaved people in the U.S. found out they were free. Events are planned across the country to mark the fifth year since June 19 became a federal holiday.