April 26 in History

The First Barbary War (1801–1805), also known as the Tripolitan War and the Barbary Coast War, was a conflict during the 1801–1815 Barbary Wars, in which the United States fought against Ottoman Tripolitania. Tripolitania had declared war against the United States over disputes regarding tributary payments in exchange for a cessation of Tripolitanian commerce raiding at sea. United States president Thomas Jefferson refused to pay this tribute. The First Barbary War was the first major American war fought outside the New World, and in the Arab world, besides the smaller American–Algerian War (1785–1795).

The Hull-Ottawa fire of 1900 was a devastating fire in 1900 that destroyed much of Hull, Quebec, and large portions of Ottawa, Ontario.

World War I, or the First World War, also known as the Great War, was a global conflict between two coalitions: the Allies and the Central Powers. Major areas of conflict included Europe and the Middle East, as well as parts of Africa and the Asia-Pacific. The war saw important developments in weaponry including tanks, aircraft, artillery, machine guns, and chemical weapons. One of the deadliest conflicts in history, it resulted in an estimated 15 to 22 million military and civilian casualties and genocide. The movement of large numbers of people was a major factor in the deadly Spanish flu pandemic.

Ice hockey, known simply as hockey in North America and parts of Europe, is a team sport played on ice skates, usually on an ice skating rink with lines and markings specific to the sport. It belongs to a family of sports called hockey. The two opposing teams score by using their sticks to control and advance a vulcanized rubber hockey puck, and then shooting it into the net of the other team. Each goal is worth one point. The team with the highest score after an hour of gameplay, broken down into three 20-minute periods, is declared the winner; ties are broken in overtime or a shootout. In a formal game, each team has six skaters on the ice at a time, barring any penalties, including a goaltender. It is a full contact game and one of the more physically demanding team sports.

Paul Ludwig Hans Anton von Beneckendorff und von Hindenburg was a German military officer and statesman who led the Imperial German Army during World War I and later became President of Germany from 1925 until his death in 1934. Though ideologically opposed to Nazism, he played a key role in the Nazi seizure of power in 1933 through his appointment of Adolf Hitler as Chancellor of Germany.

The Spanish Civil War was fought from 1936 to 1939 between the Republicans and the Nationalist rebels. Republicans loyal to the left-leaning Popular Front government of the Second Spanish Republic included socialists, anarchists, communists, and separatists, supported by the Soviet Union. The opposing Nationalists were an alliance of fascist Falangists, monarchists, conservatives, and traditionalists, supported by Nazi Germany and Fascist Italy. Initially led by a military junta, until General Francisco Franco was appointed supreme leader on 1 October 1936 of what he called the Spanish State. Due to the international political climate at the time, the war was variously viewed as class struggle, religious struggle, or struggle between republican democracy and dictatorship, revolution and counterrevolution, or between fascism and communism. The Nationalists won the war in early 1939, and ruled Spain until Franco's death in November 1975.

The Easter Riots is the name given to a period of unrest in Uppsala, Sweden, during the Easter of 1943. The fascist group Swedish Socialist Union held its national congress in Uppsala, amid the Second World War and only days after the Warsaw Ghetto Uprising. The unrest climaxed on 26 April, when the SSS ended the congress by holding a demonstration at the Royal Mounds of Old Uppsala.

World War II, or the Second World War, was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated. Tanks and aircraft played major roles, the latter enabling the strategic bombing of cities and delivery of the only nuclear weapons used in war. World War II was the deadliest conflict in history, causing the death of 60 to 75 million people. Millions died as a result of massacres, starvation, disease, and genocides, including the Holocaust. After the Allied victory, Germany, Austria, Japan, and Korea were occupied, and German and Japanese leaders were tried for war crimes.

Baguio, officially the City of Baguio, is a highly urbanized city in the Cordillera Administrative Region, Philippines. According to the 2024 census, it has a population of 368,426 people.

Jonas Edward Salk was an American virologist and medical researcher who developed one of the first successful polio vaccines. He was born in New York City and attended the City College of New York and New York University School of Medicine.

The Baltimore and Ohio Railroad was the oldest railroad in the United States and the first steam-operated common carrier. Construction of the line began in 1828, and it operated as B&O from 1830 until 1987, when it was merged into the Chessie System. Its lines are today controlled by CSX Transportation (CSX).

The National Aeronautics and Space Administration is an independent agency of the U.S. federal government responsible for the United States' civil space program and for research in aeronautics and space. Headquartered in Washington, D.C., NASA operates ten field centers across the U.S. and is organized into three mission directorates: Human Spaceflight, Research and Technology, and Science. Established in 1958 amid the Space Race, NASA succeeded the National Advisory Committee for Aeronautics (NACA) to give the U.S. space program a distinct civilian orientation focused on peaceful applications. Since then, it has led most American spaceflight programs, including Project Mercury, Project Gemini, the Apollo program, Skylab, the Space Shuttle, the International Space Station (ISS) and the ongoing multi-national Artemis program.

Libya, officially the State of Libya, is a country in the Maghreb region of North Africa. It borders the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad to the south, Niger to the southwest, Algeria to the west, and Tunisia to the northwest. With an area of almost 1.8 million km2 (700,000 sq mi), Libya is the fourth-largest country in Africa and the Arab world, and the 16th-largest in the world. The country claims 32,000 square kilometres of southeastern Algeria, south of the Libyan town of Ghat. The capital and largest city is Tripoli, located in the northwest and containing over a million of Libya's seven million people.

The 1966 Tashkent earthquake occurred on 26 April in the Uzbek SSR. It had a moment magnitude of 5.2 with an epicenter in central Tashkent at a depth of 3–8 kilometers (1.9–5.0 mi). The earthquake caused massive destruction to Tashkent, destroying most of the buildings in the city, killing between 15 and 200 people and leaving between 200,000 and 300,000 homeless. Following the disaster, most of the historic parts of Tashkent had been destroyed and the city was rebuilt, based on Soviet architectural styles. Soviet authorities created an institute of seismology in order to forecast future earthquakes.

The WIPO Convention is a multilateral treaty that established the World Intellectual Property Organization (WIPO).

On 26 April 1986, reactor 4 of the Chernobyl Nuclear Power Plant, located near Pripyat, Ukraine, exploded. With dozens of direct casualties and thousands of health complications stemming from the disaster, it is one of only two nuclear accidents rated at the maximum severity on the International Nuclear Event Scale, the other being the 2011 Fukushima nuclear accident, which happened in Japan. The response involved more than 500,000 personnel and cost an estimated 18 billion rubles. It remains the worst nuclear disaster and the most expensive disaster in history, with an estimated cost of US$700 billion. The disaster occurred during a test to simulate the cooling of the reactor during a serious accident in blackout conditions. The operators carried out the test following an accidental drop in reactor power. Upon shutting down the reactor in such conditions, repeated design flaws led to a power surge. The reactor components ruptured and lost coolant, and the resulting steam explosions and meltdown destroyed the reactor building. This was followed by a reactor core fire that spread radioactive contaminants across the Soviet Union and Europe. The Soviet government established a 10 km exclusion zone 36 hours after the accident, initially evacuating around 49,000 people. This was later expanded to 30 km, resulting in the evacuation of approximately 68,000 more people. The government did not publicly acknowledge the disaster until two days after the explosion, when elevated radiation levels were detected in Sweden.

The People's Daily is the official newspaper of the Central Committee of the Chinese Communist Party (CCP). It was established in 1948 during the Chinese Civil War as the organ of the CCP's North China Bureau and first published in Pingshan County, Hebei. Its offices moved to Beijing in February 1949, before it became the organ of the CCP Central Committee in August of that year. During the Cultural Revolution, it fell under the control of the Gang of Four and was counted among the "Two Newspapers and One Journal." During the 1989 Tiananmen Square protests and massacre, the paper became a contested ground between hardline party leaders and sympathetic editors. In 1997, the paper launched an online edition, which was reorganized as People's Daily Online in 2000.

Space Shuttle Columbia (OV-102) was a Space Shuttle orbiter manufactured by Rockwell International and operated by NASA. Named after the first American ship to circumnavigate the globe, and the female personification of the United States, Columbia was the first of five Space Shuttle orbiters to fly in space, debuting the Space Shuttle launch vehicle on its maiden flight on April 12, 1981 and becoming the first spacecraft to be re-used after its first flight when it launched on STS-2 on November 12, 1981. As only the second full-scale orbiter to be manufactured after the Approach and Landing Test vehicle Enterprise, Columbia retained unique external and internal features compared with later orbiters, such as test instrumentation and distinctive black chines. In addition to a heavier aft fuselage and the retention of an internal airlock throughout its lifetime, these made Columbia the heaviest of the five spacefaring orbiters: around 1,000 kilograms heavier than Challenger and 3,600 kilograms heavier than Endeavour when originally constructed. Columbia also carried ejection seats based on those from the SR-71 during its first six flights until 1983, and from 1986 onwards carried an imaging pod on its vertical stabilizer.

South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. Its nine provinces are bounded to the south by 2,798 kilometres of coastline that stretches along the South Atlantic and Indian Ocean; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; to the east and northeast by Mozambique and Eswatini; and it encloses Lesotho. Covering an area of 1,221,037 square kilometres, the country has a population of over 63 million people, making it the sixth-most populated country in Africa. Pretoria is the administrative capital, while Cape Town, as the seat of Parliament, is the legislative capital, and Bloemfontein is regarded as the judicial capital. The largest and most populous city is Johannesburg, followed by Cape Town and Durban.

The Cedar Revolution, known in Lebanon as the Independence intifada, was a chain of demonstrations in Lebanon triggered by the assassination of former Lebanese Prime Minister Rafic Hariri. The popular movement was remarkable for its avoidance of violence, peaceful approach, and its total reliance on methods of civil resistance.

In Mexico, an antimonumento is a structure that is traditionally installed during popular protests. They are installed to recall a tragic event or to maintain the claim for justice to which governments have failed to provide a satisfactory response in the eyes of the complainant. Many of these are erected for issues related to forced disappearances, massacres, femicides and other forms of violence against women, or any other act of violence.