United States anniversaries
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- 1886 – A nationwide general strike begins, which eventually wins the eight–hour workday in the United States. Most industrialized countries commemorate the day as May Day or Labor Day.
- 1931 – The Empire State Building (pictured) is dedicated in New York City.
- 1956 – The polio vaccine developed by Jonas Salk is made available to the public.
- 1960 – Francis Gary Powers, in a Lockheed U-2 spyplane, is shot down over the Soviet Union, America's Cold War rival, sparking off a diplomatic crisis.
- 1971 – Amtrak, the National Railroad Passenger Corporation, is formed to take over United States passenger rail service.
Usage
These United States "Anniversaries for <date>" (e.g., May 1) subpages are displayed using {{CURRENTMONTHNAME}} {{CURRENTDAY}}.
- The layout design for these subpages is at Portal:United States/Anniversaries/Layout.
- Add a new anniversary to the applicable day of the month shown below.
United States anniversaries by month
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Single page version (long)
Nominations
Feel free to add undisplayed United States-related anniversaries from these resources.
- Daily U.S. portal "Anniversaries" pages, such as Portal:United States/Anniversaries/May/May 1.
- Daily U.S. portal "On this day" pages, such as Portal:United States/On this day/May 1.
- Yearly "...in the United States" articles, such as 2024 in the United States.
- Day of the month articles, such as May 1.
- Month of the year articles, such as May 2024.
- Year articles, such as 2024.
United States-related anniversaries should be included in at least one of the calendar-based articles listed above before they are included here. Possible sources for developing additional calendar-based anniversary items are listed below.