Here’s a list of 30 significant events that occurred between 1964 and 1970:

1. **1964** - Civil Rights Act is signed into law in the United States.

2. **1964** - The Beatles arrive in the United States, sparking Beatlemania.

3. **1964** - The Gulf of Tonkin Resolution is passed, escalating U.S. involvement in Vietnam.

4. **1965** - The Voting Rights Act is passed in the U.S., prohibiting racial discrimination in voting.

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5. **1965** - The first U.S. combat troops arrive in Vietnam.

6. **1966** - The Cultural Revolution begins in China, initiated by Mao Zedong.

7. **1966** - The Black Panther Party is founded in the United States.

8. **1966** - The first successful heart transplant is performed by Dr. Christiaan Barnard in South Africa.

9. **1967** - The first human to orbit the Earth, Yuri Gagarin, is honored in the U.S.

10. **1967** - The Six-Day War takes place in the Middle East, resulting in significant territorial changes.

11. **1967** - The first Super Bowl is played in the United States.

12. **1968** - The Prague Spring occurs in Czechoslovakia, leading to a brief period of liberalization.

13. **1968** - The My Lai Massacre takes place during the Vietnam War.

14. **1968** - Martin Luther King Jr. is assassinated in Memphis, Tennessee.

15. **1968** - Robert F. Kennedy is assassinated in Los Angeles, California.

16. **1968** - The Democratic National Convention is held in Chicago, leading to protests and clashes.

17. **1968** - The Tet Offensive occurs during the Vietnam War, marking a turning point in public opinion.

18. **1969** - The Stonewall Riots occur in New York City, marking a pivotal moment in the LGBTQ+ rights movement.

19. **1969** - The first manned mission to the Moon, Apollo 11, is launched.

20. **1969** - The Apollo 11 mission successfully lands the first humans on the Moon.

21. **1969** - Woodstock Music Festival takes place, symbolizing the counterculture movement.

22. **1969** - The first episode of "Sesame Street" airs on television.

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23. **1970** - The first Earth Day is celebrated, raising environmental awareness.

24. **1970** - The Kent State shootings occur during a protest against the Vietnam War.

25. **1970** - The Beatles officially disband.

26. **1970** - The U.S. invades Cambodia, escalating the Vietnam War.

27. **1970** - The National Environmental Policy Act is signed into law in the U.S.

28. **1970** - The U.S. Supreme Court rules in favor of the right to free speech in the case of Tinker v. Des Moines.

These events reflect a range of social, political, and cultural changes during this transformative period.