Two battalions of US Marines land at Đà Nẵng, the first American ground combat units deployed to Vietnam.
After the failed 30 September Movement coup, the army and militias kill hundreds of thousands of alleged communists, paving the way for Suharto's rise.
A sustained US aerial bombing campaign against North Vietnam.
A federal law prohibits racial discrimination in voting, protecting the voting rights of African Americans.
Singapore separates from Malaysia and becomes an independent republic led by Lee Kuan Yew.
The first major battle between US Army forces and the North Vietnamese army, fought in the Central Highlands.
President Lyndon B. Johnson signs the Civil Rights Act, outlawing discrimination based on race, color, religion, sex or national origin.