On This Day in History

July 7

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2007
Culture

New Seven Wonders of the World Announced

Following a global vote by over 100 million people, the New Seven Wonders of the World were announced, including landmarks such as the Great Wall of China and Machu Picchu.

📍 Lisbon, Portugal

Culture Tourism Global Heritage
2007
Culture

Global Live Earth Concerts Held for Climate Change Awareness

Live Earth, a series of concerts across all seven continents, was held to raise awareness of climate change. The event featured over 150 musical acts and reached millions globally.

📍 Global

Culture Climate Music
2005
Tragedy

2005 London Bombings Kill 52 People

Four coordinated suicide bombings targeted London's public transport system during the morning rush hour, killing 52 people and injuring over 700 in the worst terrorist attack in modern UK history.

📍 London, United Kingdom

Tragedy Terrorism United Kingdom
2005
Science

Universal Declaration on Bioethics and Human Rights Drafted

UNESCO finalized the draft of the Universal Declaration on Bioethics and Human Rights, promoting principles of dignity, consent, and justice in biomedical sciences worldwide.

📍 Paris, France

Science Ethics UNESCO
2003
Science

NASA Launches Opportunity Rover’s Twin, Spirit

NASA launched the Mars Exploration Rover Spirit, one of two twin rovers designed to explore the Martian surface. Spirit provided valuable data until it ceased communication in 2010.

📍 Cape Canaveral, Florida, United States

Science Space NASA
2002
Politics

First International Criminal Court Opens in The Hague

The International Criminal Court (ICC) opened in The Hague as the first permanent tribunal to prosecute individuals for genocide, war crimes, and crimes against humanity.

📍 The Hague, Netherlands

Politics Law Human Rights
1997
Science

NASA’s Mars Pathfinder Releases Sojourner Rover

The Sojourner rover rolled onto the Martian surface from the Mars Pathfinder lander, becoming the first successful robotic rover to operate on another planet’s surface.

📍 Mars (NASA Mission)

Science Space NASA
1981
Politics

First Female Prime Minister of Norway Appointed

Gro Harlem Brundtland was appointed as Norway’s first female Prime Minister. A physician and public health expert, she became a pioneer in politics and environmental advocacy.

📍 Oslo, Norway

Politics Women Leaders Norway
1981
Politics

Vanuatu Joins the United Nations

The Pacific island nation of Vanuatu became a member of the United Nations, two months after gaining independence from joint British and French colonial rule.

📍 New York City, United States

Politics United Nations Oceania
1978
Politics

Solomon Islands Gain Independence from the United Kingdom

The Solomon Islands officially gained independence from British colonial rule, joining the Commonwealth and establishing a parliamentary democracy in the Pacific.

📍 Honiara, Solomon Islands

Politics Independence Oceania
1978
Science

Discovery of Charon, Pluto’s Largest Moon

Astronomer James Christy discovered Charon, the largest moon of Pluto, dramatically advancing the understanding of Pluto’s mass and system. The find was later confirmed by photographic plates.

📍 Flagstaff, Arizona, United States

Science Astronomy NASA
1977
Politics

Reinstatement of the Canadian Citizenship Act

Canada's revised Citizenship Act took effect, allowing dual citizenship and modernizing nationality laws, representing a significant shift in Canadian immigration policy.

📍 Ottawa, Canada

Politics Citizenship Canada
1972
Politics

Iraq Nationalizes Its Oil Industry

Iraq completed the nationalization of its oil industry, taking control from the Iraq Petroleum Company. This move strengthened Iraq’s economic independence and influenced global oil politics.

📍 Baghdad, Iraq

Politics Energy Middle East
1960
Politics

Founding of the United States Army Institute of Heraldry

The United States Army Institute of Heraldry was officially established to oversee the design and standardization of military insignia, flags, and coats of arms for all branches of the U.S. military.

📍 Washington, D.C., United States

Politics Military United States
1937
War

Japan Invades China, Beginning the Second Sino-Japanese War

Hostilities broke out between Japanese and Chinese forces at the Marco Polo Bridge near Beijing, marking the start of the Second Sino-Japanese War, which later merged into World War II.

📍 Marco Polo Bridge, Beijing, China

War Asia WWII
1937
Exploration

World's Tallest Waterfall, Angel Falls, First Measured

Explorer Jimmie Angel’s discovery of Angel Falls in Venezuela was officially measured, confirming it as the highest waterfall in the world at 979 meters.

📍 Canaima National Park, Venezuela

Exploration Geography Venezuela
1928
Invention

Sliced Bread Sold for the First Time in Missouri

The Chillicothe Baking Company in Missouri sold the first commercially sliced bread using Otto Frederick Rohwedder's machine, leading to the phrase “the best thing since sliced bread.”

📍 Chillicothe, Missouri, United States

Invention Food United States
1910
Culture

Czech Composer Gustav Mahler’s Symphony No. 8 Premieres Posthumously

Mahler’s massive Symphony No. 8, known as the “Symphony of a Thousand” due to its vast performing forces, premiered in Munich and was praised for its emotional depth and scale.

📍 Munich, Germany

Culture Music Germany
1898
Politics

U.S. Annexes Hawaii as a Territory

The United States Congress passed the Newlands Resolution, officially annexing Hawaii as a U.S. territory. This marked a major step in American expansion into the Pacific.

📍 Honolulu, Hawaii, United States

Politics Colonialism United States
1535
Politics

Execution of Thomas More for Treason

Sir Thomas More, English philosopher and former Lord Chancellor, was executed for refusing to acknowledge Henry VIII as the head of the Church of England. He was later canonized by the Catholic Church.

📍 London, United Kingdom

I die the king’s good servant, but God’s first.
Politics Religion United Kingdom