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United States1947Disasters
The alleged recovery of an unidentified object near Roswell, New Mexico sparked decades of UFO speculation and became a cornerstone of alien mythology.
The Roswell Incident is a 1980 book by Charles Berlitz and William Moore. - summary
United States1947Disasters
A massive ammonium nitrate explosion destroyed the port city and killed over 500, becoming one of the deadliest industrial accidents in U.S. history.
The Texas City disaster was an industrial accident that occurred on April 16, 1947, in the port of Texas City, Texas, United States, located in Galveston Bay. - summary
Austria1946Tech launches
Paul Eisler's invention of the printed circuit board miniaturised electronic assembly and became the foundation of all modern computing hardware.
A printed circuit board (PCB), also known as a printed wiring board (PWB), is a laminated sandwich structure of conductive and insulating layers, each with a pattern of traces, planes and other features etched from on… - summary
United Kingdom1946Sports
The British Grand Prix at Silverstone marked the birth of organized Formula One racing as a championship sport.
The 1950 British Grand Prix, formally known as The Royal Automobile Club Grand Prix d'Europe Incorporating The British Grand Prix, was a Formula One motor race held on 13 May 1950 at the Silverstone Circuit in Silvers… - summary
United States1945Tech launches
The Trinity test detonates the first nuclear weapon in New Mexico, initiating the atomic age and Cold War.
Detonation is a type of combustion involving a supersonic exothermic front accelerating through a medium that eventually drives a shock front propagating directly in front of it. - summary
United States1942Disasters
The actress's death in a TWA crash during a war bonds tour shocked America and raised questions about civilian aircraft safety during wartime.
Carole Lombard (1908–1942) was an American cinema actress who appeared in 56 feature films and 18 short films in a career spanning 21 years before her death in an airplane crash at the age of 33. - summary
United Kingdom1940Elections
Churchill's elevation to PM during Britain's darkest hour defined the nation's wartime leadership and his legendary defiance of Nazi Germany.
Sir Winston Leonard Spencer Churchill was a British statesman, military officer, and writer who was Prime Minister of the United Kingdom from 1940 to 1945, during the Second World War, and again from 1951 to 1955. - summary
United States1938Sports
Don Budge won the first Grand Slam in tennis, capturing all four major tournaments in a single calendar year, cementing modern tennis's highest achievement.
The Grand Slam in tennis is the achievement of winning all four major championships in one discipline in a calendar year. - summary
United States1938Tech launches
The first practical fluorescent bulb offered dramatically improved efficiency over incandescent lighting, reshaping industrial and domestic illumination.
A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. - summary
United States1937Protests
The Flint sit-down strike fundamentally shifted labor organizing tactics and secured UAW recognition, reshaping American industrial relations permanently.
The 1936–1937 Flint sit-down strike, also known as the General Motors sit-down strike, or the great GM sit-down strike, was a sitdown strike at the General Motors plant in Flint, Michigan, United States. - summary
United States1937Disasters
The pioneering aviator vanished over the Pacific during her round-the-world flight attempt, becoming aviation's greatest unsolved mystery.
Speculation on the disappearance of Amelia Earhart and Fred Noonan has continued since their disappearance in 1937. - summary
Soviet Union1936Disasters
Stalin's campaign of terror executed thousands of Communist Party officials, military officers, and intellectuals, consolidating totalitarian control through mass violence.
The Great Purge or Great Terror, also known as the Year of '37 and the Yezhovshchina, was a political purge in the Soviet Union from 1936 to 1938. - summary
United States1936Elections
FDR's landslide reelection vindicated New Deal spending and fundamentally shifted American electoral coalitions for a generation.
Presidential elections were held in the United States on November 3, 1936. - summary
United Kingdom1936Elections
King Edward VIII's forced abdication over his romance with divorcée Wallis Simpson convulsed the British monarchy and shattered royal precedent.
In early December 1936, a constitutional crisis in the British Empire arose when King Edward VIII proposed to marry Wallis Simpson, an American socialite who was divorced from her first husband and was in the process … - summary
United States1933Sports
The founding of the Pittsburgh Steelers marked a pivotal expansion of professional American football and created one of the sport's most storied franchises.
The Pittsburgh Steelers are a professional American football team based in Pittsburgh. - summary
United Kingdom1933Tech launches
The London Transport Executive unified the city's buses and underground into one system, creating the template for modern metropolitan transit.
The London Transport Executive was the organisation responsible for public transport in Greater London, England between 1948 and 1962. - summary
United States1932Elections
FDR's landslide victory in the depths of the Great Depression gave the presidency to an architect of the New Deal, fundamentally expanding federal government's role in economic life.
Franklin Delano Roosevelt, also known as FDR, was the 32nd president of the United States, serving from 1933 until his death in 1945. - summary
Italy1932Awards
Venice's Biennale Cinema debuted as the world's first international film festival, establishing the template for cinematic prestige and criticism.
The First International Silent Games, or First International Games for the Deaf, now referred to retroactively as the 1924 Summer Deaflympics, were the inaugural edition of the Deaflympics. - summary
United Kingdom1931Elections
British Parliament formally granted Dominions legislative independence, reshaping the Commonwealth structure.
The Statute of Westminster 1931 is an act of the Parliament of the United Kingdom that significantly increased the autonomy of the Dominions of the British Commonwealth. - summary
United States1931Protests
Nine African-American teenagers were falsely accused of rape in Alabama, sparking decades of retrials and becoming a landmark civil rights case.
The Scottsboro Boys were nine African American male teenagers accused of raping a young white woman and a 17-year-old white girl in 1931. - summary