The world's first national park, Yellowstone National Park, was established on March 1, 1872 by President Ulysses Grant. Forty-four years later, on August 25, 1916, the National Park Service was established by Congress. Today there are fifty-eight Nationa
On December 1, 1955, African-American Rosa Parks was arrested for refusing to give her bus seat to a white passenger. One year later, on December 20, 1956, the U.S. Supreme Court declared segregated bus seating illegal. During that year, the forty-two yea