Major Events of April 1900: Key Historical Moments from the Month

Each month is marked by defining moments that shape the course of history. Whether through political shifts, cultural movements, or world-changing events, these periods leave a lasting impression. Dive into the most important events from April 1900 and discover how they influenced the world both then and now.

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Major Events of April 1900: Key Historical Moments from the Month


  • 01 Apr 1900 First Edition of Dutch Newspaper: The first edition of the Dutch newspaper 'The People' was published, marking a new voice in Dutch media and public discourse at the turn of the 20th century.
  • 02 Apr 1900 Foraker Act Grants Limited Self-Rule to Puerto Rico: The United States Congress passed the Foraker Act, providing Puerto Rico with a limited form of self-governance following the Spanish-American War. This legislation established a civil government for the island, marking an important moment in Puerto Rico's political relationship with the United States.
  • 03 Apr 1900 Birth of Camille Chamoun, Lebanese President: Camille Chamoun was a prominent Lebanese lawyer and politician who was born on April 3, 1900, in Lebanon. He would later become the 7th President of Lebanon, playing a significant role in the country's political landscape during the mid-20th century. Chamoun was known for his leadership during a critical period of Lebanese history, navigating complex political challenges and contributing to the nation's development.
  • 04 Apr 1900 Foraker Act Passes US Senate: The United States Senate passed the Foraker Act with a vote of 49-31, a crucial legislative measure that established the governmental framework for Puerto Rico following the Spanish-American War, signaling the expansion of U.S. territorial governance.
  • 05 Apr 1900 Archaeological Discovery of Linear B Tablets in Knossos: Archaeologists in Knossos, Crete, made a significant archaeological breakthrough by discovering a large cache of clay tablets inscribed with Linear B script. These tablets represent an important linguistic and historical artifact, providing insights into the ancient Minoan and Mycenaean civilizations.
  • 06 Apr 1900 James J. Jeffries Wins Heavyweight Boxing Title: James J. Jeffries successfully defended his heavyweight boxing championship by knocking out Jack Finnegan in a remarkably short one-round bout, demonstrating his dominant fighting prowess.
  • 07 Apr 1900 US Naval Presence Reinforced in China: The gunboat USS Wheeling arrived at Taku Forts, strengthening the American military presence in China during a period of increasing international tensions and colonial interventions in the region.
  • 08 Apr 1900 Seventeenth Amendment Ratified: Direct Election of Senators: The Seventeenth Amendment to the United States Constitution was officially ratified, fundamentally transforming the method of selecting United States Senators. Prior to this amendment, senators were typically chosen by state legislatures, which often led to political corruption and backroom deals. The new amendment mandated that senators would be directly elected by popular vote of the state's citizens, significantly enhancing democratic representation and reducing the influence of political machines.
  • 09 Apr 1900 Discovery of Gamma Ray Radiation by Paul Ulrich Villard: In a groundbreaking scientific presentation at the Académie des Sciences in Paris, physicist Paul Ulrich Villard introduced the world to gamma ray radiation. His paper, titled 'Sur la reflexion et la refraction des rayons cathodiques et des rayons deviables du radium', detailed the properties of these powerful electromagnetic waves that could penetrate through various shielding materials. This discovery was crucial in understanding the nature of radioactivity and would later have profound implications for physics, medicine, and nuclear science.
  • 10 Apr 1900 British Defeat in Second Boer War: During the Second Boer War, British forces suffered a significant military setback near Brandfort, South Africa. In a fierce engagement, approximately 600 British troops were killed or wounded, with an additional 800 soldiers captured by Boer forces. This battle highlighted the tactical prowess of the Boer commandos and the challenges faced by the British imperial army in the challenging terrain of the South African veldt.
  • 11 Apr 1900 US Navy Purchases First Submarine: The United States Navy made a groundbreaking technological acquisition by purchasing the USS Holland submarine for $150,000. This pioneering vessel was 50 feet long, could accommodate a crew of six, and featured innovative electric battery propulsion for underwater navigation. The submarine was officially commissioned on October 12, marking a significant milestone in naval military technology.
  • 12 Apr 1900 Foraker Act Establishes Puerto Rico's Governance: President William McKinley signed the Foraker Act into law, providing Puerto Rico with a limited form of self-governance. This legislation established a civil government for the island, creating a structure where Puerto Rico would be governed by a U.S.-appointed governor and a partially elected legislative assembly, marking a significant moment in the island's political relationship with the United States.
  • 13 Apr 1900 Discovery of the Antikythera Mechanism: On April 13, 1900, Elias Stadiatos, a Greek sponge diver, discovered the remarkable Antikythera mechanism while exploring a shipwreck off the coast of the Greek island Antikythera. This extraordinary archaeological find is considered the world's first known analog computer, an intricate bronze device used for calculating astronomical positions, predicting celestial events, and tracking complex astronomical cycles. Dating back to approximately 100-150 BCE, the mechanism demonstrated an unprecedented level of technological sophistication for its time, challenging previous assumptions about ancient Greek scientific and mechanical capabilities.
  • 14 Apr 1900 Paris World Exhibition Opens: The Paris World Exhibition commenced, a grand international event that celebrated technological innovation, cultural exchange, and global achievements of the era.
  • 15 Apr 1900 Discovery of the Antikythera Mechanism: Elias Stadiatos, a sponge fisherman, discovered the Antikythera mechanism near Easter. This ancient analog computer, used for calculating astronomical positions, is considered one of the most sophisticated technological artifacts from ancient Greece.
  • 16 Apr 1900 First US Postage Stamp Book Issued: The United States Post Office Department introduced the first book of postage stamps, marking a significant milestone in postal communication and convenience. This innovation allowed citizens to purchase multiple stamps in a compact, organized format, simplifying the process of mailing letters and packages.
  • 17 Apr 1900 American Samoa Cession to the United States: On April 17, 1900, seven high chiefs of American Samoa formally signed the Instrument of Cession, officially transferring sovereignty of the islands to the United States. This historic document marked a significant moment in the colonial expansion of the United States in the Pacific region.
  • 18 Apr 1900 San Francisco Earthquake of 1906: On April 18, 1906, a catastrophic earthquake struck San Francisco at 5:13 a.m., triggering a massive urban disaster. The initial seismic event was followed by devastating fires caused by overturned wood stoves and ruptured gas pipes. These uncontrollable fires raged for three consecutive days, ultimately destroying over 10,000 acres of urban property and claiming approximately 4,000 lives. The earthquake and subsequent fires became one of the most destructive natural disasters in United States history, fundamentally reshaping San Francisco's urban landscape and disaster preparedness strategies.
  • 19 Apr 1900 First Anti-Japanese Meeting in the United States: The first organized anti-Japanese meeting in the United States was held in Seattle, reflecting the growing racial tensions and xenophobic sentiments of the early 20th century.
  • 20 Apr 1900 Joseph Wheeler Resigns from Congress: On April 20, 1900, Joseph Wheeler resigned from his position as Congressman representing Alabama's 8th congressional district. Wheeler, a notable former Confederate cavalry general who later served in the U.S. Congress, was a significant political figure during the post-Reconstruction era.
  • 21 Apr 1900 Uneventful Day in Global History: On April 21, 1900, no significant historical events were recorded. This day appears to have been relatively quiet across global political, social, and cultural landscapes, representing a typical day during the transition from the 19th to the 20th century.
  • 22 Apr 1900 Battle of Kousséri: French Colonial Conquest in Chad: On April 22, 1900, a pivotal military engagement known as the Battle of Kousséri took place in Chad, marking a significant moment in French colonial expansion in Central Africa. French colonial forces, led by military commanders, decisively defeated the powerful regional warlord Rabih az-Zubayr, who had been a formidable resistance leader against European colonial incursions. The battle resulted in the death of Rabih az-Zubayr and effectively secured French territorial control over the Chad region, fundamentally altering the political landscape of Central Africa.
  • 23 Apr 1900 Thailand Abolishes Serfdom: King Chulalongkorn (Rama V) issued a landmark royal decree abolishing serfdom in Thailand, a significant social reform that dramatically transformed the country's social structure and marked a progressive step towards modernization and human rights.
  • 24 Apr 1900 First Cross-Country Automobile Journey: Mr. and Mrs. Jacob Murdock made history by becoming the first individuals to travel across the United States in an automobile, marking a significant milestone in early automotive transportation and exploration.
  • 25 Apr 1900 Lord Hubert Miles Gladwyn Jebb Becomes Liberal Member of Parliament: Lord Hubert Miles Gladwyn Jebb was elected as a Member of Parliament representing the Liberal Party, marking a significant moment in his political career. As a prominent political figure, Jebb would go on to play important roles in British governance during the early 20th century.
  • 26 Apr 1900 Hull-Ottawa Devastating Fire: A catastrophic fire sweeps through the Canadian cities of Hull and Ottawa, resulting in seven fatalities and leaving approximately 15,000 residents homeless. The rapid and destructive nature of the blaze causes massive urban destruction.
  • 27 Apr 1900 Birth of Walter Lantz, Pioneering Animator: Walter Lantz was born in New Rochelle, New York, USA, marking the arrival of a significant figure in animation history. Throughout his career, he would become a renowned animator and creator of beloved cartoon characters that would entertain generations, including Andy Panda, Chilly Willy, Buzz Buzzard, Wally Walrus, and the iconic Woody Woodpecker. His contributions to the animation industry helped shape the landscape of animated entertainment in the 20th century.
  • 28 Apr 1900 Uneventful Day in History: While no major historical events were recorded on this specific date, April 28, 1900 represents a typical day during the transition from the 19th to the 20th century. This period was characterized by significant global transformations, including technological advancements, imperial expansions, and emerging social movements.
  • 29 Apr 1900 Tragic Bridge Collapse at Paris World Exposition: On April 29, 1900, a devastating accident occurred during the Paris World Exposition when a bridge undergoing repairs suddenly collapsed, resulting in nine fatalities and forty injuries. The incident highlighted the critical importance of construction safety and engineering standards during the rapidly industrializing early 20th century. The World Exposition, which was meant to showcase human progress and technological innovation, was marred by this tragic event that drew significant public attention to infrastructure safety protocols.
  • 30 Apr 1900 United States Annexes Hawaii: The United States officially annexes the Hawaiian Islands, marking a significant expansion of American territorial control in the Pacific. This annexation follows years of political and economic influence by American interests in the region, transforming Hawaii from an independent kingdom to a U.S. territory.