: On May 27, 1967, Australians voted overwhelmingly (nearly 91%) to amend the Constitution. This allowed Aboriginal and Torres Strait Islander people to be counted in the national census and empowered the federal government to make laws for them.

: Known as one of the most successful world’s fairs of the 20th century, Expo 67 officially opened in Montreal, Quebec, on April 28, 1967. It welcomed 62 nations and set record attendance figures.

: This landmark U.S. law was passed to protect workers and job applicants aged 40 and older from discrimination based on age.