1967 - Muhammad Ali Refuses Induction into the U.S. Army on Religious Grounds 1967 - Thurgood Marshall, First Black U.S. Supreme Court Justice 1977 - Alex Haley's Roots: The Saga of an American Family Appears on TV 2001 - Colin Powell Appointed Secretary of State 2004 - Neil deGrasse Tyson Becomes Astrophysics' Superstar