Today in History – 2 July

1921 – World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
1934 – The Night of the Long Knives ends with the death of Ernst Röhm.
1937 – Amelia Earhart and navigator Fred Noonan are last heard from over the Pacific Ocean while attempting to make the first equatorial round-the-world flight.
1940 – Indian independence leader Subhas Chandra Bose is arrested and detained in Calcutta.
1940 – The SS Arandora Star is sunk by U-47 in the North Atlantic with the loss of over 800 lives, mostly civilians.
1962 – The first Walmart store, then known as Wal-Mart, opens for business in Rogers, Arkansas.
1964 – Civil rights movement: U.S. President Lyndon B. Johnson signs the Civil Rights Act of 1964 meant to prohibit segregation in public places.
1966 – France conducts its first nuclear weapon test in the Pacific, on Moruroa Atoll.
1976 – End of South Vietnam; Communist North Vietnam annexes the former South Vietnam to form the unified Socialist Republic of Vietnam.
1986 – Rodrigo Rojas and Carmen Gloria Quintana are burnt alive during a street demonstration against the dictatorship of General Augusto Pinochet in Chile.
1990 – In the 1990 Mecca tunnel tragedy, 1,400 Muslim pilgrims are suffocated to death and trampled upon in a pedestrian tunnel leading to the holy city of Mecca.