Century

20th Century

848 sourced events. Showing 193-216.

Events

20th Century Timeline

Exploration 20th Century North America

Lindbergh Takes Off for Solo Atlantic Crossing

Aviation in the 1920s featured growing long-distance attempts amid prizes like the Orteig for a nonstop New York-to-Paris flight. Charles Lindbergh, a 25-year-old airmail pilot, prepared the Spirit of St. Louis monoplane with extra fuel tanks for the 3,600-mile journey. After weather delays, he departed Roosevelt Field on Long Island at 7:52 a.m. on May 20, 1927, navigating by dead reckoning and a periscope over 33.5 hours. He landed at Le Bourget Field near Paris on May 21 to massive acclaim. The feat demonstrated the reliability of single-engine aircraft for transoceanic travel despite earlier failures by other aviators.

Exploration 20th Century Global

Lindbergh Completes First Solo Transatlantic Flight

In the 1920s, aviation pioneers competed to achieve the first nonstop flight between New York and Paris for a $25,000 prize offered by hotelier Raymond Orteig. Charles Lindbergh, a 25-year-old airmail pilot, designed a single-engine monoplane named Spirit of St. Louis with minimal weight and maximum fuel capacity. Departing Roosevelt Field on May 20, 1927, he flew through fog, ice, and sleep deprivation for 33.5 hours. On May 21, he landed at Le Bourget Field near Paris to a crowd of over 100,000, becoming the first person to complete a solo nonstop transatlantic crossing.

Civil Rights 20th Century North America

Sacco and Vanzetti Executed After Controversial Trial

In 1920s America, fears of radicalism, immigration, and anarchism ran high following World War I and the Russian Revolution. Italian immigrants Nicola Sacco, a shoemaker, and Bartolomeo Vanzetti, a fish peddler, both anarchists, were arrested in connection with a 1920 payroll robbery and murder in Braintree, Massachusetts. Their 1921 trial featured disputed ballistics evidence, eyewitness identifications later questioned, and judicial bias from Judge Webster Thayer, who openly expressed prejudice against their politics and ethnicity. Despite worldwide protests, appeals, and a 1927 review committee upholding the verdict, they were electrocuted at Charlestown State Prison just after midnight on August 23, 1927. Governor Michael Dukakis later issued a 1977 proclamation declaring the trial unfair.

Event Detail America 250 Atlas

Culture 20th Century North America

Carving Begins on Mount Rushmore Sculpture

Sculptor Gutzon Borglum had long envisioned a massive monument in South Dakota's Black Hills to celebrate American presidents and attract tourism. After years of planning, site selection, and a dedication ceremony earlier in 1927, actual carving commenced on October 4. Workers used dynamite for the bulk of material removal on the granite face, followed by precise drilling and hand-finishing techniques. The project, funded through a mix of private and eventual federal support, aimed to depict George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln. Over the next 14 years, approximately 400 workers transformed the mountain despite challenging conditions and funding challenges.

Event Detail America 250 Atlas

Culture 20th Century North America

The Jazz Singer Premieres as First Talkie

By the mid-1920s, Warner Bros. invested heavily in Vitaphone sound-on-disc technology to differentiate its films amid competition. The Jazz Singer, starring Al Jolson, adapted a stage play about a Jewish cantor's son pursuing a singing career. It premiered on October 6, 1927, at Warner's Theatre in New York City, featuring synchronized music, songs, and limited spoken dialogue. The film combined silent sequences with sound elements, drawing large audiences despite mixed critical reception. Its success validated the commercial potential of sound films.

Technology 20th Century North America

Holland Tunnel Opens to Vehicular Traffic

New York and New Jersey authorities had long sought a direct vehicular link beneath the Hudson River to ease ferry congestion and support growing automobile use. Engineer Clifford Holland designed the project, which began construction in 1920 after his death was completed by successors including Ole Singstad. The twin tubes featured innovative ventilation systems to handle exhaust. Ceremonies occurred on November 12, 1927, with President Coolidge participating remotely. At midnight on November 13, the Holland Tunnel officially opened to traffic as the world's longest continuous underwater vehicular tunnel at the time, with thousands of cars lining up on the New Jersey side.

Event Detail America 250 Atlas

Culture 20th Century North America

Mickey Mouse Debuts in Plane Crazy Test Screening

Walt Disney and Ub Iwerks had been developing animated characters after losing rights to earlier creations like Oswald the Lucky Rabbit. Seeking a new star for their studio, they created a cheerful mouse inspired by pet mice and barnyard animals. On May 15, 1928, the silent short Plane Crazy received its first test screening before a theater audience in Hollywood, introducing Mickey Mouse and Minnie Mouse as they attempted aviation antics. The film failed to secure a distributor initially. It later received a sound version and wide release in 1929 after Steamboat Willie's success.

Law 20th Century Europe

Kellogg-Briand Pact Signed to Renounce War

Following the devastation of World War I, French Foreign Minister Aristide Briand proposed a bilateral agreement with the United States to outlaw war. U.S. Secretary of State Frank B. Kellogg expanded the idea into a multilateral treaty. On August 27, 1928, representatives from fifteen nations, including Germany, France, the United Kingdom, Italy, Japan, and the United States, signed the General Treaty for Renunciation of War as an Instrument of National Policy in Paris. The pact committed signatories to settle disputes by peaceful means and eventually attracted dozens more adherents. Though lacking enforcement mechanisms, it reflected widespread postwar idealism about collective security. The treaty entered into force in 1929 and remains technically in effect.

Politics 20th Century East Asia

Hirohito Enthroned as Emperor of Japan

Following the death of his father Emperor Taishō in 1926, Crown Prince Hirohito assumed the role of regent before formal accession. Traditional Shinto and imperial rites marked the transition of power in Japan’s constitutional monarchy. On November 10, 1928, elaborate enthronement ceremonies took place in Kyoto, including processions, rituals with the Imperial Regalia, and public celebrations attended by dignitaries. The events confirmed Hirohito’s possession of the Three Sacred Treasures and his status as the 124th emperor in the unbroken imperial line. The ceremonies occurred amid economic challenges but reinforced national unity and imperial tradition.

Law 20th Century Europe

Lateran Treaty Establishes Vatican City

After Italian unification in 1870, the Papal States were seized, leaving the Holy See without sovereign territory and creating decades of tension known as the Roman Question. Benito Mussolini's Fascist government sought to resolve the impasse to gain legitimacy and Catholic support. On February 11, 1929, representatives signed the Lateran Pacts at the Lateran Palace in Rome, including a treaty recognizing Vatican City as an independent state under papal sovereignty. The agreements also included a financial settlement compensating the Church for lost territories and a concordat governing Church-state relations in Italy. Pope Pius XI and Mussolini's signatures marked the end of the long dispute. The new microstate encompassed St. Peter's Basilica, the Vatican Gardens, and surrounding areas, guaranteeing the Pope's...

Other 20th Century North America

St. Valentine's Day Massacre in Chicago

During Prohibition, Chicago's organized crime syndicates battled for control of illegal alcohol distribution, with Al Capone's South Side Italian gang clashing against George "Bugs" Moran's North Side Irish gang. On the morning of February 14, 1929, seven men associated with Moran's operation gathered at a garage on North Clark Street. Four assailants, two dressed as police officers and two in civilian clothes, entered the premises, lined the victims against a wall under the pretense of a raid, and executed them with submachine guns and shotguns. The victims included Moran's key lieutenants; Moran himself narrowly escaped by arriving late. Capone was widely suspected of ordering the hit, though never convicted, intensifying public outrage over gang violence.

Culture 20th Century North America

First Academy Awards Presented in Hollywood

As the film industry matured in the late 1920s with the transition to sound pictures, the Academy of Motion Picture Arts and Sciences sought to honor excellence and promote the art form. The inaugural ceremony took place on May 16, 1929, at the Hollywood Roosevelt Hotel before roughly 270 guests during a private dinner. Janet Gaynor received the first Best Actress award for performances in three films, while Emil Jannings won Best Actor; the event lasted only about fifteen minutes.

Politics 20th Century Europe

Lateran Treaty Creates Vatican City State

The Roman Question had persisted since Italian unification in 1870, when the Papal States were absorbed into the Kingdom of Italy, leaving the pope without temporal sovereignty. Negotiations between the Holy See and Benito Mussolini's government intensified in the 1920s to resolve the status of the Vatican. The Lateran Pacts, including the treaty proper, were signed on February 11, 1929, and ratified by the Italian Parliament on June 7, 1929, granting the Holy See full sovereignty over Vatican City. The agreement also included a financial settlement and a concordat regulating church-state relations in Italy. Pope Pius XI and the Italian state thereby established the world's smallest independent country.

Civil Rights 20th Century North America

Persons Case Affirms Women as Legal Persons

In early twentieth-century Canada, the Famous Five—Emily Murphy, Nellie McClung, Irene Parlby, Louise McKinney, and Henrietta Muir Edwards—challenged barriers preventing women from Senate appointments under the British North America Act. The Supreme Court of Canada had ruled women were not “persons,” but the case reached the Judicial Committee of the Privy Council in Britain. On October 18, 1929, the Council reversed the decision, declaring that women qualified as persons eligible for public office. The ruling immediately opened pathways for female senators and broader civic participation. It marked a key victory after years of advocacy by the Alberta women.

Event Detail America 250 Atlas

Economics 20th Century North America

Black Thursday Stock Market Crash Begins

The 1920s had brought unprecedented stock market speculation in the United States fueled by easy credit, margin buying, and optimistic economic forecasts following World War I recovery. Warning signs emerged in September and early October as prices fluctuated wildly and some sectors showed weakness. On October 24, 1929, panic selling erupted on the New York Stock Exchange with a record 12.9 million shares traded and prices plunging sharply at the opening bell. Bankers attempted to stabilize the market by purchasing large blocks of stock, providing temporary relief, but the underlying lack of confidence persisted. The day became known as Black Thursday, marking the start of the broader Wall Street crash.

Event Detail America 250 Atlas

Economics 20th Century North America

Black Tuesday Stock Market Crash Begins Great Depression

The Roaring Twenties had fueled speculative investment in U.S. stocks, with prices detached from economic fundamentals amid rising unemployment, agricultural woes, and overproduction. After earlier warnings and a sharp drop on Black Thursday, panic selling intensified on October 29, 1929, as over 16 million shares changed hands on the New York Stock Exchange, erasing billions in value and leaving the ticker tape hours behind. Leading bankers attempted support but could not stem the tide, which continued for days and wiped out fortunes built on margin buying. The crash shattered public confidence in the financial system and exposed vulnerabilities in unregulated markets. Immediate effects included bank runs and business failures that rippled across the industrialized world.

Exploration 20th Century Global

Byrd Achieves First Flight Over South Pole

In the era of polar exploration following Roald Amundsen's overland trek, American aviator and naval officer Richard E. Byrd organized ambitious Antarctic expeditions using aircraft for reconnaissance. On November 29, 1929, Byrd piloted a Ford Trimotor aircraft named Floyd Bennett from his base at Little America, flying over the South Pole in a round-trip journey lasting about 19 hours with a crew including pilot Bernt Balchen. The flight provided aerial mapping data and confirmed the pole's location from the air amid harsh weather and navigation challenges. It marked a technological leap in polar travel, relying on advances in aviation and radio communication. The expedition returned with valuable scientific observations of the continent's geography.

Science 20th Century North America

Clyde Tombaugh Discovers Pluto at Lowell Observatory

Astronomers in the early 20th century suspected an undiscovered planet beyond Neptune based on irregularities in the orbits of Uranus and Neptune, leading Percival Lowell to initiate a search for “Planet X” at his observatory in Flagstaff, Arizona. After Lowell’s death, the search continued with improved photographic techniques. On February 18, 1930, 24-year-old Clyde Tombaugh, working as an assistant, identified a moving object on photographic plates taken weeks earlier by comparing images with a blink comparator. Confirmation followed through additional observations, and the discovery was publicly announced in March. The tiny body, later named Pluto, expanded knowledge of the solar system’s outer reaches. Tombaugh’s methodical approach succeeded where prior efforts had failed.

Event Detail Daily Earth View

Civil Rights 20th Century South Asia

Gandhi Launches Salt March from Sabarmati Ashram

British colonial rule in India imposed a monopoly on salt production and a heavy tax that disproportionately burdened the poor. Mahatma Gandhi, seeking to launch a mass civil disobedience campaign, selected salt as a unifying symbol of injustice. On March 12, 1930, Gandhi and seventy-eight followers departed Sabarmati Ashram near Ahmedabad for a 240-mile trek to the coastal village of Dandi. Crowds joined along the route as the marchers covered roughly ten miles daily, stopping in villages to promote nonviolent resistance. The procession reached Dandi on April 5, where Gandhi symbolically collected salt from the sea the next morning, violating British law and sparking nationwide protests.

Culture 20th Century Latin America & Caribbean

First FIFA World Cup Begins in Uruguay

FIFA had long sought an international football tournament separate from the Olympics. Uruguay, celebrating its centenary of independence and boasting recent Olympic champions, hosted the inaugural event. On July 13, 1930, the first two matches kicked off simultaneously in Montevideo: France defeated Mexico 4-1 with Lucien Laurent scoring the tournament's opening goal, while the United States beat Belgium 3-0. Only 13 nations participated due to the Great Depression and long travel distances, mostly from the Americas. Uruguay won the final against Argentina 4-2 before a large home crowd at the new Estadio Centenario.

Disaster 20th Century Europe

British R101 Airship Crashes in France

Britain pursued ambitious airship programs in the interwar period to establish long-distance passenger and mail routes to its empire. The R101, one of the largest rigid airships ever built, embarked on its maiden voyage to India on October 4, 1930, carrying dignitaries and crew. Early on October 5, amid stormy weather over northern France, the airship struck a hillside near Beauvais and burst into flames. Of the 54 people aboard, 48 perished in the disaster, including key figures from the British Air Ministry. The crash effectively ended Britain's rigid airship ambitions.

Politics 20th Century Sub-Saharan Africa

Haile Selassie Crowned Emperor of Ethiopia

Ethiopia had maintained its independence as one of the few African nations not colonized during the Scramble for Africa, though it faced internal challenges and external pressures. Ras Tafari Makonnen had risen through the ranks as regent and heir apparent after the death of Empress Zewditu. On November 2, 1930, he was formally crowned Emperor Haile Selassie I in a grand ceremony at St. George's Cathedral in Addis Ababa, adopting a name meaning "Power of the Trinity." The event drew international royalty and dignitaries, symbolizing Ethiopia's sovereignty and modernization efforts under his leadership. Selassie would later become a central figure in African independence movements and the Rastafari faith.

Technology 20th Century North America

Empire State Building Dedicated in New York

During the Great Depression, ambitious construction projects symbolized hope and American enterprise amid economic hardship. The Empire State Building site on Fifth Avenue was cleared after the Waldorf-Astoria hotel closed, and construction began in 1930 under a tight schedule to outpace competitors. On May 1, 1931, President Herbert Hoover dedicated the 102-story skyscraper from Washington by pressing a button to illuminate its lights, while ceremonies occurred in New York with Governor Franklin D. Roosevelt and others present. Completed in just over a year, it stood as the world's tallest building at the time. The opening drew massive public attention despite the era's challenges.

Event Detail America 250 Atlas

Politics 20th Century Middle East & North Africa

Kingdom of Saudi Arabia Proclaimed by Royal Decree

Abdulaziz Ibn Saud had spent three decades conquering and consolidating territories across the Arabian Peninsula, capturing Riyadh in 1902 and gradually incorporating Najd, Hejaz, and other regions through military campaigns and alliances. By 1927 the dual kingdoms of Hejaz and Najd existed under his rule. On September 23, 1932, a royal decree unified these domains into a single state named the Kingdom of Saudi Arabia, with Ibn Saud as its founding monarch. The proclamation centralized authority, reduced risks of regional separatism, and established the modern absolute monarchy that endures today.