- 1927 – The Holland Tunnel opened under the Hudson River, linking New York City and New Jersey.
- 1933 – The first recorded “sit-down” strike in the United States was staged by workers at the Hormel Packing Co. in Minnesota.
- 1956 – The Supreme Court declares Alabama laws requiring segregated buses illegal, ending the Montgomery Bus Boycott.
- 1967 – Carl Stokes became the first black mayor in the U.S. when he was elected in Cleveland.
- 1982 – The Vietnam Veterans Memorial is dedicated in Washington, D.C.
