What major battles and military events happened on October 21 throughout history?

The Battle of Trafalgar took place in 1805, when Britain defeated the combined French and Spanish fleet, and Admiral Horatio Nelson was killed. In 1944, U.S. troops captured Aachen, the first large German city to fall in World War II.

What happened in Aberfan on October 21, 1966?

A coal waste heap slid into a school in Aberfan, South Wales, killing 116 children and 28 adults. The event is recorded among the major historical events associated with October 21.

What was the significance of North Korea’s 1994 nuclear pact?

North Korea signed a pact in 1994 to end its nuclear projects. The Korea Times has described the agreement as the Agreed Framework, under which North Korea froze atomic activities in exchange for energy assistance and planned nuclear reactors.

WEDNESDAY, Oct. 21, 2026

Listen

Summary

Historical events recorded on Oct. 21 include Admiral Horatio Nelson’s victory at Trafalgar, the dispatch of Florence Nightingale and 38 nurses to the Crimean War, and the capture of Aachen by U.S. troops. Other events include the Aberfan disaster, a failed coup in Burundi, and North Korea’s 1994 pact to end its nuclear projects.

Key Facts

Nelson was shot and killed during the 1805 Battle of Trafalgar after defeating the combined French and Spanish fleet.
A coal waste heap engulfed a school in Aberfan, South Wales, in 1966, killing 116 children and 28 adults.
The 1993 failed military coup in Burundi led by ex-President Jean-Baptiste Bagaza caused 525,000 Hutus to flee and ended with the assassination of President Melchior Ndadaye.
The United Nations rejected a Russian proposal to destroy atomic weapons in 1948.
U.S. troops captured Aachen in 1944, making it the first large German city to fall during World War II.

Published Oct 20, 2026 10:20 am KST

1805-Battle of Trafalgar: British Admiral Horatio Nelson defeats the combined French and Spanish fleet. Nelson is shot and killed during the battle.

1854-Florence Nightingale, with a staff of 38 nurses, is sent to the Crimean War

1944-U.S. troops capture Aachen, the first large German city to fall in World War II

1948-U.N. rejects Russian proposal to destroy atomic weapons

1950-Chinese Communist forces occupy Tibet

1966-116 children and 28 adults die as a coal waste heap slides and engulfs a school in Aberfan, South Wales

1993-A failed military coup in Burundi led by ex-President Jean-Baptiste Bagaza, causes 525,000 Hutus to flee and the assassination of President Melchior Ndadaye

1994-North Korea signs a pact to end its nuclear projects

Explore More