Major League Baseball

Historical eventOctober 31951

Major League Baseball

In Major League Baseball, the New York Giants' Bobby Thomson hit the "Shot Heard 'Round the World", a game-winning home run, to win the National League pennant.

75th anniversary in 2026

Everything on October 3Original source

In context

When
Wednesday, October 3 195175 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
20th century · 1950s
Anniversary
75th in 2026
Recorded from
Wikipedia “On this day” feed

At a glance

Dates: From 1951.

What happened

Major League Baseball (MLB) is a professional baseball league in North America composed of 30 teams, divided equally between the National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB is one of the major professional sports leagues in the United States and Canada and is considered the premier baseball league in the world. Each team plays 162 games per season, with Opening Day held during the last week of March or the first week of April.

October 3 through the years

Other entries on the same calendar day, in order.

  1. 1951Major League Baseball
  2. 1995Murder trial of O. J. Simpson
  3. 2003Siegfried & Roy
  4. 2008Emergency Economic Stabilization Act of 2008
  5. 2009Azerbaijan
  6. 20132013 Lampedusa migrant shipwreck
  7. 2015Kunduz hospital airstrike
  8. 20212021 Milan Pilatus PC-12 crash
  9. 2022Svante Pääbo
  10. 2023Wab Kinew
  11. 2024Bengali language

Also in 1951

  • March 14Korean WarKorean War: United Nations troops recapture Seoul for the second time.
  • October 20College footballAfrican-American college football player Johnny Bright was the victim of an on-field assault, eventually leading to changes in NCAA footb…
  • October 20Johnny Bright incidentThe "Johnny Bright incident" occurs during a football game between the Drake Bulldogs and Oklahoma A&M Aggies.
  • July 13VuoristorataVuoristorata, one of the oldest still-operating wooden roller coasters in Europe, is opened at the Linnanmäki amusement park in Helsinki,…
  • June 14UNIVAC IUNIVAC I is dedicated by the U.S. Census Bureau.
  • January 4Korean WarKorean War: Chinese and North Korean troops captured Seoul from United Nations forces.
  • January 18United Nations Memorial CemeteryConstruction of the United Nations Military Cemetery (pictured) began in Busan, South Korea.
  • July 22Soviet space dogsSoviet space dogs: Dezik and Tsygan were launched into a sub-orbital spaceflight from Kapustin Yar and became the first dogs to fly in sp…

Everything we record for 1951 →

Sources

Cite this page

“Major League Baseball”, What's On This Date, https://whatsonthisdate.com/app/event/major-league-baseball-1951-october-3, accessed October 29, 2026.

Cite the underlying source as well — the source links above go to the record this entry is adapted from.

Questions about this entry

When did Major League Baseball happen?

October 3 1951 — 75 years ago, on a Wednesday.

Where does this text come from?

Wikipedia “On this day” feed. Summaries are short adaptations that link back to the source, not reprints.

How do I cite this page?

Use the ready-made citation near the sources at the bottom of the page, and follow the source link to cite the underlying record as well.

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