Directory

1910 CE

A year marked by Japan's annexation of Korea, the beginning of the Mexican Revolution, the death of King Edward VII, and the spectacular return of Halley's Comet.

Geopolitics & Diplomacy

  • Japan formally annexed Korea on August 22, ending the Korean Empire and beginning 35 years of Japanese colonial rule over the peninsula.
  • King Edward VII of the United Kingdom died on May 6, and was succeeded by his son George V, who would reign through the First World War and beyond.
  • The Union of South Africa was established on May 31, uniting the Cape Colony, Natal, Transvaal, and Orange River Colony into a single self-governing dominion within the British Empire.
  • Albania declared its independence aspirations as nationalist movements grew across the Ottoman Empire's European territories.
  • Montenegro was elevated from a principality to a kingdom on August 28, with Nicholas I becoming its first king.
  • Japan and Russia signed a treaty in July reaffirming their respective spheres of influence in Manchuria and Korea.
  • Portugal's King Manuel II was overthrown on October 5 in a republican revolution, ending the Portuguese monarchy and establishing the Portuguese Republic.
  • The London Declaration of 1909 concerning the laws of naval war was debated but ultimately failed to be ratified by the British House of Lords.
  • U.S. President William Howard Taft pursued Dollar Diplomacy, using American financial power to extend influence in Central America and the Caribbean.
  • The Second International held its congress in Copenhagen in August, where socialist delegates debated strategies for preventing European war.

Conflict & Security

  • The Mexican Revolution began on November 20 when Francisco Madero called for armed uprising against the decades-long dictatorship of President Porfirio Díaz.
  • A bomb destroyed the Los Angeles Times building on October 1, killing 21 workers, in an attack later attributed to labor union militants James and John McNamara.
  • The Moroccan crisis continued as France expanded its military presence in the country, increasing tensions with Germany over colonial influence in North Africa.
  • Italian anarchist and political refugees carried out attacks in several European countries, heightening fears of revolutionary violence.
  • The Korean resistance movement intensified against Japanese occupation, with guerrilla fighters continuing armed opposition in the countryside.
  • A failed assassination attempt was made against Japanese Prime Minister Katsura Tarō as political tensions rose over Japan's imperial expansion.
  • The Moro Rebellion continued in the southern Philippines as Muslim fighters resisted American colonial authority.
  • Unrest in the Ottoman Empire continued as the Young Turk government faced opposition from conservative and nationalist factions in its multi-ethnic territories.
  • Armed conflict erupted in Honduras during a civil war, prompting the United States to deploy marines to protect American business interests.
  • Revolutionaries in Nicaragua opposed the government of José Madriz, leading to U.S. intervention in support of conservative forces.

Economy & Finance

  • The Mann-Elkins Act was signed into law in the United States on June 18, strengthening the Interstate Commerce Commission's power to regulate railroad rates and extending its authority to telecommunications.
  • The rubber boom in the Amazon region reached its zenith, with cities like Manaus and Belém experiencing extraordinary wealth from wild rubber exports.
  • J.P. Morgan and Company continued to dominate American finance, controlling vast industrial and banking interests that concentrated economic power in a small number of firms.
  • The textile industry in Lancashire, England, remained the world's largest, but faced increasing competition from mills in India, Japan, and the American South.
  • Labor strikes swept across the United States, with garment workers in New York and Chicago demanding better wages and safer working conditions.
  • Global trade expanded as steamship lines and telegraph networks linked markets across continents, though protectionist tariffs remained common.
  • Germany's industrial output continued to grow rapidly, challenging Britain's economic supremacy in steel, chemicals, and electrical manufacturing.
  • The Mexican economy, dependent on foreign investment and commodity exports, was destabilized by the political unrest that preceded the Revolution.
  • Agricultural exports from Argentina, including beef and grain, made it one of the wealthiest countries in the world on a per capita basis.
  • The Bank of England maintained the gold standard, with the pound sterling serving as the world's primary reserve currency.

Technology & Infrastructure

  • The first public radio broadcast was made by Lee de Forest on January 13, transmitting live opera performances from the Metropolitan Opera House in New York.
  • The French aviator Henri Fabre made the first successful powered seaplane flight on March 28, taking off from water near Martigues, France.
  • Neon lighting was demonstrated publicly by Georges Claude at the Paris Motor Show in December, introducing a new era of illuminated signage.
  • The Pennsylvania Railroad opened New York Penn Station on November 27, a monumental Beaux-Arts terminal that transformed rail travel in the city.
  • Barney Oldfield set a land speed record of 131.7 miles per hour at Daytona Beach, Florida, driving a Benz racing car.
  • The first air-meet in the United States, the Los Angeles International Air Meet, was held at Dominguez Field in January, attracting major aviators and large crowds.
  • Eugene Ely made the first shipboard aircraft takeoff on November 14, flying a Curtiss pusher biplane from the deck of the USS Birmingham.
  • The Trans-Siberian Railway continued expansion of its route across Siberia, connecting Moscow toward Vladivostok and opening vast regions of Russia to settlement and commerce.
  • The first patent for synthetic rubber, methyl isoprene, was filed in Germany, though commercial production would not be achieved for decades.
  • Electric streetcar systems expanded in cities across Europe and North America, becoming a primary mode of urban transportation.

Science & Discovery

  • Halley's Comet made its closest approach to Earth on May 19, causing widespread public fascination and anxiety as the Earth passed through the comet's tail.
  • Ernest Rutherford and Hans Geiger published their experiments on alpha particle scattering, providing data that would lead to the discovery of the atomic nucleus the following year.
  • Thomas Hunt Morgan began his groundbreaking genetics experiments with Drosophila fruit flies at Columbia University, discovering sex-linked inheritance.
  • Marie Curie published her Treatise on Radioactivity, a comprehensive scientific text on the properties and applications of radioactive elements.
  • Paul Ehrlich and Sahachiro Hata announced the development of Salvarsan (arsphenamine), the first effective treatment for syphilis and a pioneering achievement in chemotherapy.
  • Robert Millikan began his oil-drop experiment at the University of Chicago to measure the electric charge of a single electron with unprecedented precision.
  • The American astronomer Williamina Fleming discovered white dwarf stars through spectral analysis at the Harvard College Observatory.
  • Alfred Wegener began developing his ideas on continental drift after noticing the apparent fit of the South American and African coastlines.
  • The Royal Astronomical Society admitted women as fellows for the first time, reflecting gradually expanding participation in the scientific community.
  • Bertrand Russell and Alfred North Whitehead published the first volume of Principia Mathematica, a landmark work attempting to ground mathematics in formal logic.

Health & Medicine

  • Paul Ehrlich introduced Salvarsan as a treatment for syphilis, marking the birth of modern chemotherapy and targeted drug therapy.
  • The Flexner Report, published by Abraham Flexner for the Carnegie Foundation, exposed the poor state of medical education in the United States and led to sweeping reforms.
  • Chagas disease was described by Brazilian physician Carlos Chagas, who identified both the parasite Trypanosoma cruzi and its insect vector.
  • Tuberculosis remained the leading cause of death in much of the industrialized world, with sanatoriums providing the primary form of treatment.
  • The hookworm eradication campaign funded by the Rockefeller Sanitary Commission expanded across the American South, dramatically reducing infection rates.
  • Chlorination of public water supplies spread to more cities in the United States and Europe, significantly reducing waterborne diseases like typhoid.
  • Infant mortality rates remained extremely high in industrial cities, with contaminated milk and poor sanitation contributing to childhood deaths.
  • The first international conference on cancer research was held in Paris, bringing together physicians and scientists to discuss the growing disease burden.
  • Psychoanalysis gained wider attention as Sigmund Freud published Five Lectures on Psycho-Analysis, based on his lectures at Clark University the previous year.
  • Florence Nightingale, the founder of modern nursing, died on August 13 at the age of 90, leaving a lasting legacy in healthcare and hospital reform.

Climate & Environment

  • Atmospheric carbon dioxide concentration was approximately 300 parts per million, as later determined by ice core analysis and historical measurements.
  • The Great Flood of Paris in January inundated the city as the Seine River rose to over 8.6 meters, flooding streets, metro tunnels, and basements across the capital.
  • Glacier National Park was established by the U.S. Congress on May 11, protecting over one million acres of mountainous wilderness in Montana.
  • Severe flooding struck central China, causing widespread agricultural devastation and displacement along the Yangtze River basin.
  • Deforestation accelerated in the American Pacific Northwest as the timber industry expanded to meet growing demand for construction lumber.
  • The eruption of Mount Etna in Sicily in March produced significant lava flows, though it caused limited casualties due to advance warnings.
  • Overfishing in the North Sea prompted early discussions among European nations about the need for international fisheries management.
  • A devastating avalanche struck Wellington, Washington, on March 1, killing 96 people when snow swept two trains off the tracks in the Cascade Mountains.
  • Drought conditions affected parts of East Africa, contributing to famine and hardship among pastoral communities in British East Africa.
  • Conservation efforts expanded as former President Theodore Roosevelt continued to advocate publicly for the protection of American natural resources.

Culture & Society

  • The Boy Scouts of America was incorporated on February 8, following the founding of the Scout movement in Britain by Robert Baden-Powell two years earlier.
  • Mark Twain, one of America's most celebrated writers, died on April 21 at the age of 74.
  • The tango craze spread from Buenos Aires to Paris and other European capitals, transforming popular dance culture.
  • The National Association for the Advancement of Colored People (NAACP) published the first issue of The Crisis magazine in November, edited by W.E.B. Du Bois.
  • Leo Tolstoy, the Russian literary giant and author of War and Peace, died on November 20 at the age of 82.
  • The Camp Fire Girls organization was founded in the United States by Luther Halsey Gulick, becoming the first nonsectarian, multiracial organization for girls in America.
  • The Dalai Lama fled Tibet for British India as Chinese Qing forces occupied Lhasa, deepening the conflict over Tibetan sovereignty.
  • The Mexican artist and muralist Diego Rivera traveled to Europe to study art, beginning a period of artistic development that would shape his later career.
  • The world population was approximately 1.80 billion.
  • The first Father's Day was celebrated on June 19 in Spokane, Washington, initiated by Sonora Smart Dodd in honor of her Civil War veteran father.