1st » Denmark, the United Kingdom, and Republic of Ireland known as Ireland are admitted into the European Economic Community.
8th » Soviet Union e.g Soviet space mission 'Luna 21' is launched.
8th » Watergate scandal: The trial of seven men accused of illegal entry into Democratic Party (United States) called Democratic Party headquarters at Watergate complex e.g Watergate begins.
11th » Major League Baseball owners vote in approval of the American League adopting the designated hitter position.
15th » Vietnam War: Citing progress in peace negotiations, President of the United States called President Richard Nixon announces the suspension of offensive action in North Vietnam.
22nd » The Supreme Court of the United States delivers its decisions in Roe v. Wade and Doe v. Bolton, legalizing elective abortion in all fifty states.
22nd » The crew of Apollo 17 addresses a joint session of Congress after the completion of the final Apollo moon landing mission.
22nd » A chartered Boeing 707 explodes in flames upon landing at Kano Airport, Nigeria, killing 176.
23rd » President of the United States or President Richard Nixon announces that a peace accord has been reached in Vietnam.
23rd » A volcano or volcanic eruption devastates Heimaey in the Vestmannaeyjar chain of islands off the south coast of Iceland.