February, 1967. The U.S. launches Operation Junction City, its biggest assault yet against the Vietcong in Vietnam.
April 9, 1967. The first Boeing 737, a twin-engine narrow-body jet airliner, takes its maiden flight. As of December 2011, Boeing had built 7010 of this model airliner for use around the world.
May 22-27, 1967. Egyptian President Nasser declares the Straits of Tiran , between the Sinai and Arabian peninsulas separating the Gulf of Aqaba from the Red Sea, closed to Israeli shipping. He says, “”Our basic objective will be the destruction of Israel. The Arab people want to fight.”
May 30, 1967. Colonel Ojukwu of the Ibo tribe in eastern Nigeria proclaims the region to be the independent republic of Biafra. European and U.S. citizens flee Biafra as Nigerian troops attack the breakaway republic.
June 5-10, 1967. The Six Day War. The Israeli air force launches surprise air strikes against Arab forces. In a decisive victory, Israel takes control of the Gaza Strip and the Sinai Peninsula from Egypt, the West Bank and East Jerusalem from Jordan, and the Golan Heights from Syria.
June 27, 1967. The first automatic cash machine is installed, in the office of the Barclays Bank in Enfield, England.
October 10, 1967. Ernesto “Che” Guevarra, Cuban revolutionary hero who helped Fidel Castro overthrow the Batista regime in Cuba, is shot to death by the Bolivian army while on a mission to spread the communist revolution to the rest of the world.
December, 1967. The first successful heart transplant is performed by Dr. Christian Barnard in South Africa.