The first US combat troops arrive in Vietnam, beginning the Veitnam war. By the end of the year, 190,000 American soldiers are in Vietnam.
The Russian cosmonaut Alexey Leonov became the first man to do a 'spacewalk' outside of a spacecraft as it orbitted the Earth.
It lasted for 12 minutes but he almost died when his spacesuit swelled up and he found it difficult to get back in the hatch!
The year after:
The year before:
The first American to do a spacewalk was Ed White, who pretended he couldn't hear the commanders on the ground when they said he had to come in!