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United States1938Tech launches
The first practical fluorescent bulb offered dramatically improved efficiency over incandescent lighting, reshaping industrial and domestic illumination.
The typical luminous efficacy of fluorescent lamps is 50–100 lumens per watt, several times the efficacy of general lighting incandescent bulbs with comparable light output, which is on the close order of 16 lm/W. - summary
United Kingdom1937Festivals
George VI's coronation following the abdication crisis was broadcast live to millions, cementing radio as the medium of state ceremony.
The coronation of George VI and his wife, Elizabeth, as king and queen of the United Kingdom and the Dominions of the British Commonwealth, Emperor and Empress of India took place at Westminster Abbey, London, on Wedn… - summary
France1936Elections
France's leftist coalition triumph introduced the 40-hour work week and two weeks' paid leave, redefining labor across Europe.
The phrase uses "front" in the sense of a political movement "linking divergent elements to achieve common objectives". - summary
United Kingdom1936Tech launches
The world's largest passenger liner set sail, embodying the ambition of interwar ocean travel and establishing a benchmark for maritime engineering prestige.
It is currently a hotel, museum, and convention space in Long Beach, California, United States. - summary
Germany1933Wars
How a fire became the match that lit totalitarianism.
A Dutch communist named Marinus van der Lubbe was found on the premises and arrested; whether he acted alone, with accomplices, or was framed remains historically contested, but the Nazis had no interest in subtlety. - summary
United States1932Festivals
NYC's palatial Art Deco cinema and performance venue became an architectural icon and symbol of Depression-era entertainment escapism.
Nicknamed "The Showplace of the Nation", it is the headquarters for the Rockettes. - summary
Japan1931Wars
Japan's militarist invasion of Manchuria defied the League of Nations and marked the opening move in imperial expansion across Asia.
The occupation lasted until mid-August 1945, towards the end of the Second World War, in the face of an onslaught by the Soviet Union and Mongolia during the Manchurian Strategic Offensive Operation. - summary
Germany1931Tech launches
The electron microscope's development enabled visualization of structures far beyond optical limits, revolutionizing biological and materials research.
It uses electron optics that are analogous to the glass lenses of an optical light microscope to control the electron beam, for instance focusing it to produce magnified images or electron diffraction patterns. - summary
Uruguay1930Sports
Uruguay's inaugural World Cup established what would become the world's most-watched sporting competition, fundamentally reshaping global soccer.
The civil war involved three main factions; the supporters of the fourth Rashidun caliph Ali, the Uthmaniyya, and the Kharijites, a faction of radical secessionists who broke away from Ali's camp following the arbitra… - summary
South Africa1930Elections
White women gained voting rights in South Africa, marking a significant electoral expansion despite the country's segregationist policies.
While some countries achieved universal suffrage early in the 20th century—such as Finland and New Zealand—others faced decades of resistance, with many women in Africa, Asia, the Americas, and Europe battling deeply … - summary
Soviet Union1928Wars
Stalin's forced collectivization campaign seized peasant lands and grain, triggering famine across Ukraine and Kazakhstan that killed millions and consolidated totalitarian control over the economy.
In practice, its government and economy were highly centralized. - summary
Germany1928Elections
The last relatively stable election of the Weimar Republic before the Great Depression destabilized democratic institutions and empowered extremists.
The centre-right government of Wilhelm Marx was replaced by a centre-left grand coalition government led by Hermann Müller of the Social Democratic Party (SPD). - summary
Netherlands1928Sports
Dutch speed skaters dominated the 1928 Winter Olympics, securing multiple gold medals in the sport they pioneered.
It elected one Member of Parliament (MP) by the first past the post system of election. - summary
United States1927Sports
Ruth's record-breaking season captivated America during the Jazz Age and cemented baseball as the national pastime.
Nicknamed "the Bambino" and "the Sultan of Swat", he began his MLB career as a star left-handed pitcher for the Boston Red Sox, but achieved his greatest fame as a slugging outfielder for the New York Yankees. - summary
United States1927Tech launches
Lindbergh's solo nonstop flight from New York to Paris revolutionized aviation and captured global imagination.
The first aerial crossing of the South Atlantic was made by the Portuguese naval aviators Gago Coutinho and Sacadura Cabral in 1922, to mark the centennial of Brazil's independence. - summary
United Kingdom1927Tech launches
The first synchronized sound newsreel revolutionized public information delivery and set the standard for visual journalism for decades.
Under the name British Movietone News, it also ran in the United Kingdom from 1929 to 1986, in France also produced by Fox-Europa, in Spain in the early 1930s as Noticiario Fox Movietone before being replaced by No-Do… - summary
United Kingdom1924Elections
Britain's 1924 election restored Conservative power under Baldwin and ended the first Labour government, reshaping postwar British party competition.
A general election was held in the United Kingdom on Wednesday 29 October 1924, as a result of the defeat of the Labour minority government, led by Prime Minister Ramsay MacDonald, in the House of Commons on a motion … - summary
France1924Sports
