The sweeping machine (vacuum cleaner) was patented in Chicago, US, by Ives W. McGaffey.
Source
Noah Cushing patented the washing machine in Quebec, Canada.
Senator Robert Kennedy was laid to rest.
Dr. Kathy Sullivan became the first woman to reach the deepest part of the ocean in the Marianas Trench.
The discovery of the chemical element Neptunium was announced.
The United States Supreme Court ruled that restaurants in Washington, DC, could not refuse to serve Black patrons.