On June 30, 1971, the 26th Amendment to the US Constitution was ratified, making the legal voting age 18.

Learn more about the history surrounding the passage of the 26th Amendment.

On June 30, 1960, the Congo gained independence from Belgium. Soon afterward, the Congolese military mutinied, touching off the Congo Crisis that would compel UN and Belgian intervention and concluded with the installation of Mobutu Sese Seko as dictator of the country, which was renamed Zaire.

Learn more about the Congo Crisis from the Internet Archive.