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What happened in 1903?

15 events across 5 world regions, each with its sources.

Europe

  • The Dreyfus affair breaks out

    1894–1906

    The Dreyfus affair was a major political scandal in France in the late 19th century. It began in 1894 when Captain Alfred Dreyfus, a Jewish officer, was wrongly convicted of treason. This caused deep divisions in French society between Dreyfusards who believed in his innocence and anti-Dreyfusards. Émile Zola's open letter in 1898 was a turning point. The affair lasted until 1906 and had a profound political impact.

    SourcesWikipedia ↗

  • Opening of the Bern Theatre

    1903World Heritage

    In 1903, the municipal theatre of Bern, the Swiss capital, opened with a performance of Wagner's Tannhäuser. It later evolved into a venue for opera, ballet, and other performing arts.

    SourcesWikipedia ↗

  • Construction of the Galleria Borghese completed

    1903

    The Galleria Borghese in Rome, originally the Villa Borghese Pinciana, was built between 1613 and 1620 to designs by Flaminio Ponzio. Conceived as a suburban villa for Cardinal Scipione Borghese, the building became an Italian state museum in 1903. It houses a renowned collection of paintings by Caravaggio and sculptures by Bernini.

    SourcesWikipedia ↗

  • Foundation of the Naval Cathedral in Kronstadt

    1903

    The Naval Cathedral in Kronstadt was founded in 1903 as the main church of the Russian Navy, dedicated to fallen seamen.

    SourcesWikipedia ↗

  • Opening of Père Lachaise station

    1903

    On 31 January 1903, with the extension of Paris Métro Line 2, Père Lachaise station opened to serve the border of the 11th and 20th arrondissements. Named after the nearby Père Lachaise Cemetery, it became an important point in the network.

    SourcesWikipedia ↗

  • Opening of the first platforms at Villiers station

    1903

    On 21 January 1903, the platforms for Line 2 of the Paris Métro at Villiers station opened to the public, marking the station's entry into service within the Paris underground network. The station is located on the border of the 8th and 17th arrondissements and is named after Avenue de Villiers.

    SourcesWikipedia ↗

  • Ménilmontant station opens

    1903

    Ménilmontant station opened on 31 January 1903 as part of the extension of Line 2 of the Paris Métro. Situated on the border of the 11th and 20th arrondissements, the station takes its name from the nearby Boulevard de Ménilmontant, and stands near the site of a former city gate demolished in the 19th century.

    SourcesWikipedia ↗

Central & South America

  • Banana Wars

    1898–1934Central America

    Between 1898 and 1934, the United States carried out a series of military occupations, police actions, and interventions in Central America and the Caribbean. These operations were primarily conducted by the United States Marine Corps, which compiled the Small Wars Manual (1921) based on its experiences.

    SourcesWikipedia ↗

  • Foundation of the Municipal Theatre of São Paulo

    1903

    The Municipal Theatre of São Paulo was inaugurated in 1911 and is considered one of the landmarks of São Paulo, Brazil, noted for its architectural value. It later hosted the Week of Modern Art in 1922, which revolutionised the arts in Brazil.

    SourcesWikipedia ↗

  • Signing of the Treaty of Petrópolis

    1903Petrópolis

    On November 17, 1903, Brazil and Bolivia signed the Treaty of Petrópolis in the Brazilian city of Petrópolis, ending the Acre War over the then-Bolivian territory of Acre. The border region was highly coveted during the rubber boom. The treaty ultimately assigned Acre to Brazil.

    SourcesWikipedia ↗

South Asia

  • Outbreak of the Aceh War

    1873–1904

    In early 1873, discussions between representatives of the Aceh Sultanate and the United States in Singapore provoked the Netherlands, leading to a Dutch military attack on Aceh and the start of the Aceh War. The conflict was part of a series of late 19th-century wars that consolidated Dutch rule over modern-day Indonesia, ultimately ending in 1904 with the Dutch annexation of Aceh and control over the entire Indonesian archipelago. The war lasted over three decades, resulting in around 4,000 Dutch and 25,000 Acehnese deaths.

    SourcesWikipedia ↗

  • British expedition to Tibet begins

    1903–1904

    In December 1903, British Indian forces invaded Tibet from Sikkim, aiming to establish diplomatic and trade ties and resolve the Sikkim-Tibet border dispute. The campaign, lasting until September 1904, was also driven by British concerns over possible Russian influence in the region. Tibet was then under the Ganden Phodrang government, nominally a Qing protectorate.

    SourcesWikipedia ↗

North America

  • Signing of the Hay–Bunau-Varilla Treaty

    1903Washington, D.C.

    On November 18, 1903, the United States and Panama signed the Hay–Bunau-Varilla Treaty in Washington, establishing the Panama Canal Zone and initiating construction of the canal. The treaty was negotiated by U.S. Secretary of State John Hay and Philippe Bunau-Varilla, the French diplomatic representative of Panama. In exchange for U.S. support of its independence from Colombia, Panama granted the U.S. rights to build and operate the canal for $10 million, ceding a strip of land 8 kilometers on each side of the canal, totaling 1,673 square kilometers, for perpetual use.

    SourcesWikipedia ↗

  • Founding of the Isabella Stewart Gardner Museum

    1903

    In 1903, art collector Isabella Stewart Gardner founded a private art museum in Boston, intended to permanently display her collection of European, Asian, and American art for public education and enjoyment.

    SourcesWikipedia ↗

North Africa

  • French conquest of Algeria

    1830–1904Algiers, Algeria

    Between 1830 and 1904, France launched a military invasion and prolonged war of conquest in Algeria. In June 1830, French forces landed near Algiers, quickly seizing the capital and coastal areas. Over the following decades, despite internal political strife, France repeatedly reinforced its military presence to suppress resistance in the interior, gradually extending control southward into the Sahara, and finalizing its colonial borders by 1904.

    SourcesWikipedia ↗

Around 1903

These are known only to the century, not to the year. They are listed separately so a rough date is never mistaken for an exact one.

  • Establishment of Women's Suffrage Worldwide

    c. 18931979Wellington, New Zealand

  • Establishment of Tubbataha Reefs Natural Park

    c. 19012000

  • Construction of Grimeton Longwave Radio Station

    c. 19012000

  • Construction of the Trans-Iranian Railway begins

    c. 19012000

  • Construction of the 20th-Century Architecture of Frank Lloyd Wright Begins

    c. 19012000

  • Construction of the Historic Monuments of Dengfeng in 'The Centre of Heaven and Earth'

    c. 19012000

  • Establishment of the Ancient Building Complex in the Wudang Mountains

    c. 19012000

  • Designation of the Maotianshan Shales member and type section

    c. 19012000