Korean War

Historical eventDecember 311950

Korean War

Korean War: North Korean troops attacked United Nations forces in the first of two battles at Wonju.

In context

When
Sunday, December 31 195076 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
20th century · 1950s
Recorded from
Wikipedia “On this day” feed

At a glance

Dates: 1950-06-25 – 1953-07-27.

Place: Korea Strait, North Korea.

Type: war.

Key figures / parties: South Korea, North Korea, United States, United Kingdom, Canada, Turkey, Australia, and Ethiopia.

What came before

Part of: Cold War.

Background Japanese colonization (1910–1945) Main article: Korea under Japanese rule Korea was a colony ruled by the Empire of Japan from 1910 to 1945. The Empire of Japan diminished China 's influence over Korea in the First Sino-Japanese War (1894–95). [ 1 ] A decade later, after defeating Imperial Russia in the Russo-Japanese War , Japan made the Korean Empire its protectorate with the Eulsa Treaty in 1905, and then annexed it with the Japan–Korea Treaty of 1910 . [ 2 ]

Timeline

Course of the war This section may be too long to read and navigate comfortably . When this tag was added, its readable prose size was 7,000 words. Consider splitting content into sub-articles, condensing it, or adding subheadings . Please discuss this issue on the article's talk page . ( September 2025 ) Territory often changed hands early in the war, until the front stabilized.    Chinese and Soviet forces    North Korean forces  

What happened

The Korean War was an armed conflict fought on the Korean Peninsula between North Korea and South Korea and their allies. North Korea was supported by China and the Soviet Union, while South Korea was supported by the United Nations led by the United States under the auspices of the United Nations Command (UNC).

December 31 through the years

Other entries on the same calendar day, in order.

  1. 1950Korean War
  2. 2004Taipei 101
  3. 2006War in Somalia (2006–2009)
  4. 2009Blue moon
  5. 20102010 New Year's Eve tornado outbreak
  6. 2011NASA
  7. 20142014 Shanghai stampede
  8. 2015Downtown Dubai
  9. 20182018 Magnitogorsk building collapse
  10. 2019World Health Organization
  11. 2020COVID-19 vaccine

Also in 1950

  • September 18Korean WarKorean War: The Korean People's Army retreated from the Battle of the Pusan Perimeter after six weeks of fighting, marking the farthest t…
  • November 1714th Dalai LamaThe 14th Dalai Lama (pictured) assumed full temporal power as ruler of Tibet at the age of 15.
  • June 141950 Bahrain Air France Douglas DC-4 crashesAn Air France Douglas DC-4 crashes near Bahrain International Airport, killing 40 people. This came two days after another Air France DC-…
  • November 27Korean WarKorean War: The Chinese People's Volunteer Army launched multiple attacks against United Nations forces, beginning the Battle of Chosin R…
  • September 3Giuseppe Farina"Nino" Farina becomes the first Formula One Drivers' champion after winning the 1950 Italian Grand Prix.
  • June 26Douglas DC-4A Douglas DC-4 Skymaster aircraft crashed after departing from Perth, becoming the worst peacetime aviation accident in Australia's history.
  • July 5Korean WarKorean War: In the first encounter between North Korean and American forces, an unprepared and undisciplined U.S. Army task force was rou…
  • November 5Korean WarKorean War: The 27th British Commonwealth Brigade succeeded in preventing a Chinese breakthrough at the Battle of Pakchon.

Everything we record for 1950 →

Sources

Cite this page

“Korean War”, What's On This Date, https://whatsonthisdate.com/app/event/korean-war-1950-december-31, accessed October 28, 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 Korean War happen?

December 31 1950 — 76 years ago, on a Sunday.

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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