20 June-Today's All facts
1967 - Muhammad Ali convicted for violating Selective Service Act.

Muhammad Ali convicted in Houston, Texas in federal court for violating Selective Service Act by refusing induction into the armed services. Ali was fined $10,000 and sentenced to five years in prison.  Ali, an opponent of the Vietnam War, had refused to report for service on the grounds that he was a Muslim minister.

1943 - National Congress of Racial Equality organized.

National Congress of Racial Equality organized

1915 -U.S. Supreme Court said"Grandfather Clause" violated the 15th Amendment.

United States Supreme Court (Guinn v United States) said “Grandfather Clause” in the Oklahoma and Maryland constitutions violated the 15th Amendment.