On This Day in History

May 31

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2018
Politics

South Sudan Peace Agreement Signed in Khartoum

South Sudanโ€™s warring factions signed a peace agreement in Khartoum aimed at ending five years of civil war that had caused immense humanitarian crises and displacement.

๐Ÿ“ Khartoum, Sudan

Politics Africa Peace
2006
Politics

International Criminal Court Rules War Rape a Crime Against Humanity

The International Criminal Court ruled that rape and sexual violence committed during war can constitute crimes against humanity and war crimes, setting a legal precedent for global human rights law.

๐Ÿ“ The Hague, Netherlands

Politics Justice Human Rights
2002
Politics

East Timor Declares Independence from Indonesia

Following decades of conflict and international negotiations, East Timor officially declared its full independence from Indonesian rule, becoming one of the newest sovereign nations of the 21st century.

๐Ÿ“ Dili, East Timor

Politics Independence Southeast Asia
1994
Politics

South Africa Holds First Multiracial Presidential Inauguration for Nelson Mandela

Nelson Mandela was formally inaugurated as President of South Africa in a historic ceremony symbolizing the end of apartheid. It marked the beginning of a new era of democracy and reconciliation in the country.

๐Ÿ“ Pretoria, South Africa

Never, never and never again shall it be that this beautiful land will again experience the oppression of one by another.
Politics South Africa Civil Rights
1990
Politics

World Health Organization Removes Homosexuality from Mental Illness List

The World Health Organization officially removed homosexuality from its list of mental illnesses in the ICD. The decision marked a major milestone in global LGBTQ+ rights and medical recognition.

๐Ÿ“ Geneva, Switzerland

Politics LGBTQ+ Health
1988
Science

World No Tobacco Day Observed for the First Time

The World Health Organization launched the first World No Tobacco Day to raise awareness about the dangers of tobacco use and promote effective policies to reduce smoking worldwide.

๐Ÿ“ Global

Science Health Policy
1965
Science

World's First Earthquake Early Warning System Tested in Japan

Japan conducted the first public test of an earthquake early warning system, pioneering technology that would later save countless lives in earthquake-prone regions worldwide.

๐Ÿ“ Tokyo, Japan

Science Japan Safety
1962
Politics

Adolf Eichmann Executed in Israel for Holocaust Crimes

Nazi war criminal Adolf Eichmann was executed in Israel after being convicted of crimes against humanity for orchestrating mass deportations of Jews during the Holocaust. His trial was a landmark in post-WWII justice.

๐Ÿ“ Ramla, Israel

Politics Justice WWII
1932
Culture

Laurel and Hardy Film โ€˜The Music Boxโ€™ Released

Laurel and Hardyโ€™s short film โ€˜The Music Boxโ€™ premiered and became a comedy classic. It won the first Academy Award for Live Action Short Film (Comedy) and is preserved in the U.S. National Film Registry.

๐Ÿ“ Los Angeles, United States

Culture Cinema Comedy
1916
War

Battle of Jutland Begins โ€” Largest Naval Battle of World War I

The Battle of Jutland, the largest naval engagement of World War I between the British Royal Navy and German Imperial Navy, began in the North Sea. Though tactically inconclusive, it maintained British naval dominance.

๐Ÿ“ North Sea, near Jutland Peninsula

War WWI Naval
1916
Invention

Trans-Siberian Railway Completed to Vladivostok

The Trans-Siberian Railway was completed to Vladivostok, fully connecting European Russia to the Pacific Ocean. It became one of the longest railway lines in the world and transformed trade and mobility across Asia.

๐Ÿ“ Vladivostok, Russia

Invention Transportation Russia
1911
Invention

The RMS Titanic Launched from Shipyard

The RMS Titanic was launched from the Harland and Wolff shipyard in Belfast, beginning its journey toward becoming one of the most famous ships in maritime history before its tragic sinking in 1912.

๐Ÿ“ Belfast, Northern Ireland

Invention Maritime Tragedy
1910
Politics

Union of South Africa Formed as a British Dominion

The Union of South Africa was established, uniting four British colonies into one dominion under the British Empire. It laid the groundwork for the modern South African state.

๐Ÿ“ Cape Town, South Africa

Politics British Empire Africa
1907
Politics

Oklahoma Admitted as the 46th U.S. State

Oklahoma was admitted into the United States as the 46th state, marking the integration of Indian Territory and Oklahoma Territory and expanding federal presence in the American Southwest.

๐Ÿ“ Washington, D.C., United States

Politics USA Statehood
1889
Tragedy

Great Flood of 1889 Devastates Johnstown, Pennsylvania

A dam collapse triggered a massive flood that destroyed much of Johnstown, Pennsylvania, killing over 2,200 people. It remains one of the deadliest disasters in U.S. history and led to major engineering reforms.

๐Ÿ“ Johnstown, Pennsylvania, United States

Tragedy Engineering USA
1875
Science

First Daily Weather Map Published by the British Meteorological Office

The British Meteorological Office issued the first daily weather map for public use, marking a major advancement in meteorology and public communication of scientific data.

๐Ÿ“ London, United Kingdom

Science Meteorology United Kingdom
1859
Invention

Big Ben Chimes for the First Time in London

London's iconic clock tower bell, Big Ben, rang for the first time, marking the completion of one of the most recognizable landmarks in the United Kingdom and a global symbol of timekeeping and heritage.

๐Ÿ“ London, United Kingdom

Invention Architecture United Kingdom
1859
Science

Elizabeth Blackwell Becomes First Woman Listed on UK Medical Register

Elizabeth Blackwell, the first woman to receive a medical degree in the U.S., became the first female physician listed on the UK Medical Register, paving the way for women in British medicine.

๐Ÿ“ London, United Kingdom

Science Medicine Women's Rights
1855
Culture

Walt Whitmanโ€™s 'Leaves of Grass' First Published

Walt Whitman published the first edition of his seminal poetry collection 'Leaves of Grass'. The book revolutionized American literature and became a cornerstone of modern poetic expression.

๐Ÿ“ Brooklyn, New York, United States

I celebrate myself, and sing myself.
Culture Literature USA
1793
Politics

White House Cornerstone Laid by President John Adams

President John Adams laid the cornerstone of the White House in Washington, D.C., beginning construction of what would become the official residence of the President of the United States.

๐Ÿ“ Washington, D.C., United States

Politics Architecture USA