1875 CE
A year defined by Britain's purchase of Suez Canal shares, the passage of the Civil Rights Act in the United States, and the premiere of Bizet's opera Carmen in Paris.
Geopolitics & Diplomacy
- The British government purchased 176,602 shares in the Suez Canal Company from the Khedive of Egypt for four million pounds on November 25, securing British influence over the strategic waterway.
- The Civil Rights Act of 1875 was signed into law by President Grant on March 1, guaranteeing equal treatment in public accommodations regardless of race.
- The Meiji government of Japan negotiated the Treaty of Saint Petersburg with Russia, ceding Sakhalin to Russia in exchange for full sovereignty over the Kuril Islands.
- A revolt in Herzegovina against Ottoman rule began in July, sparking a broader crisis in the Balkans that would escalate over the following years.
- The French National Assembly adopted the constitutional laws of the Third Republic, formally establishing the governmental structure of republican France.
- Germany enacted the Reichsbank Act, creating a central bank for the German Empire to regulate monetary policy.
- The Tongan Constitution was promulgated by King George Tupou I, establishing a constitutional monarchy in the Pacific island kingdom.
- Spain's Bourbon monarchy was consolidated under Alfonso XII, who worked to end the Third Carlist War in the Basque Country.
- The Treaty of Shimoda was superseded by the Treaty of Saint Petersburg, clarifying the border between Japan and Russia in the North Pacific.
- The Hawaiian Kingdom negotiated a reciprocity treaty with the United States, allowing Hawaiian sugar to enter the American market duty-free.
Conflict & Security
- The Herzegovina uprising against Ottoman rule spread to Bosnia, drawing international attention to the deteriorating conditions in the Ottoman Balkans.
- The Red River War on the southern Great Plains concluded as the last bands of Comanche and Kiowa surrendered to the United States Army.
- Quanah Parker, the last Comanche war chief, led his band onto the Fort Sill reservation in June, ending Comanche resistance on the southern Plains.
- The Third Carlist War in Spain continued, though royalist forces under Alfonso XII gained the upper hand against the Carlist insurgents.
- The Aceh War in Sumatra dragged on as Dutch forces struggled to pacify Acehnese guerrilla resistance in the interior.
- The Taiping Rebellion's aftermath continued to affect China, with widespread banditry and social disruption in the provinces that had been most devastated.
- Violence against Black Americans in the South continued as white supremacist groups intimidated voters and attacked Republican officeholders.
- The Mexican government struggled to suppress banditry along the US-Mexico border, leading to tensions with the United States.
- Russian military expansion in Central Asia continued with campaigns to consolidate control over the Khanate of Kokand.
- The Satsuma samurai in Japan grew increasingly discontented with the Meiji government's abolition of their traditional privileges.
Economy & Finance
- The Long Depression continued to cause economic hardship across the industrialized world, with persistent deflation and high unemployment.
- The Specie Resumption Act was passed in the United States on January 14, providing for the resumption of specie payments in gold by 1879.
- The Hawaiian Reciprocity Treaty of 1875 stimulated the Hawaiian sugar industry by eliminating American tariffs on Hawaiian sugar imports.
- Andrew Carnegie opened his first steel plant, the Edgar Thomson Steel Works, near Pittsburgh, beginning his rise to dominance in the American steel industry.
- The Crédit Lyonnais expanded its banking operations across France, becoming one of the largest deposit banks in Europe.
- Japanese silk exports continued to grow, with raw silk becoming one of the country's most valuable export commodities.
- Labor strikes spread across the coal mining regions of Pennsylvania as miners protested wage cuts imposed during the depression.
- The Molly Maguires, a secret Irish American organization in the Pennsylvania coalfields, were accused of violence against mine owners and operators.
- The depression drove increased emigration from Europe to the Americas, as workers sought better economic opportunities abroad.
- British investment in the Suez Canal secured a vital trade route and reinforced London's position as the center of global finance.
Technology & Infrastructure
- The Kwang-se-tung, one of the first Chinese-owned steamships, entered commercial service, marking China's entry into modern maritime transport.
- The Remington typewriter gained commercial acceptance, with the device increasingly adopted by businesses and government offices.
- Barbed wire production expanded rapidly, with Joseph Glidden's design becoming the dominant fencing material on the American frontier.
- The St. Gotthard Tunnel construction continued through the Swiss Alps, employing thousands of workers in dangerous conditions.
- Alexander Graham Bell continued his experiments with the harmonic telegraph, which would lead to his invention of the telephone the following year.
- The first roller skating rink opened in London, and roller skating became a popular recreational activity across Europe and the United States.
- Railway construction expanded in Argentina, connecting the Pampas agricultural region to the port of Buenos Aires.
- Improvements in refrigeration technology advanced the development of cold storage for meat and produce transportation.
- The Japanese government continued expanding its railroad and telegraph networks, connecting major cities across the country.
- The development of dynamite by Alfred Nobel continued to revolutionize mining, quarrying, and construction projects worldwide.
Science & Discovery
- Paul Emile Lecoq de Boisbaudran discovered the element gallium on August 27, confirming Mendeleev's prediction of eka-aluminium from his periodic table.
- The HMS Challenger expedition completed its global oceanographic survey and returned to Britain on May 24, having traveled nearly 69,000 nautical miles.
- The Metre Convention was signed on May 20 by seventeen nations, establishing the International Bureau of Weights and Measures and standardizing the metric system.
- William Crookes began his experiments with vacuum tubes, which would lead to the development of the Crookes tube and studies of cathode rays.
- Josiah Willard Gibbs published his first major paper on thermodynamics, introducing the concept of chemical potential.
- The asteroid Cybele was discovered by Karl Theodor Robert Luther at the Düsseldorf Observatory.
- Researchers continued to explore the deep ocean using data from the Challenger expedition, discovering new species and geological features of the ocean floor.
- Ferdinand Cohn published a classification of bacteria that helped establish bacteriology as a formal scientific discipline.
- The Geographical Society of Lisbon was founded, promoting Portuguese exploration and colonial interests in Africa.
- Eduard Suess published Die Entstehung der Alpen, proposing that mountain ranges were formed by lateral compression of the Earth's crust.
Health & Medicine
- A major yellow fever epidemic struck the United States, with outbreaks in cities along the Mississippi River and Gulf Coast.
- The Public Health Act of 1875 was passed in Britain, consolidating previous sanitary legislation and establishing comprehensive public health standards.
- Robert Koch published his work on anthrax, demonstrating the complete life cycle of the Bacillus anthracis bacterium and establishing the germ theory on firmer ground.
- The Long Depression worsened health conditions among the poor, with malnutrition and overcrowding increasing susceptibility to infectious diseases.
- Tuberculosis sanatoriums continued to expand in Europe, though the bacterium that caused the disease had not yet been identified.
- Cholera remained endemic in parts of India and periodically spread to other regions through trade and travel routes.
- The use of antiseptic surgical techniques spread to hospitals across Europe and North America, significantly reducing postoperative mortality.
- Diphtheria continued to be one of the leading causes of child mortality in Europe and North America.
- The Japanese government expanded its public health infrastructure, establishing quarantine stations and promoting vaccination campaigns.
- Medical education reformed in the United States as universities began adopting more rigorous training standards modeled on German medical schools.
Climate & Environment
- Atmospheric carbon dioxide concentration was approximately 289 parts per million, as later confirmed by ice core analysis.
- A devastating plague of Rocky Mountain locusts swept across the western United States, destroying crops from Texas to the Dakotas.
- The American bison population continued to be decimated by commercial hunting, with the southern herd nearly exterminated.
- Deforestation in the upper Mississippi watershed contributed to increased flooding along the river system.
- Coal-burning factories and domestic heating created persistent air pollution in industrial cities across Britain, Germany, and the northeastern United States.
- The passenger pigeon, once numbering in the billions, continued its population decline due to commercial hunting and habitat destruction.
- Severe drought conditions affected parts of northeast Brazil, causing crop failures and famine in the sertao region.
- Mining operations in the western United States caused widespread water pollution, with mercury and other toxic materials contaminating streams and rivers.
- Overfishing of Atlantic salmon stocks prompted early conservation efforts in New England and eastern Canada.
- The expansion of agricultural land on the Great Plains continued to displace native prairie ecosystems and wildlife.
Culture & Society
- Georges Bizet's opera Carmen premiered at the Opéra-Comique in Paris on March 3, initially receiving a mixed reception before becoming one of the most performed operas worldwide.
- Hans Christian Andersen, the Danish author celebrated for his fairy tales including The Little Mermaid and The Ugly Duckling, died on August 4 in Copenhagen at the age of 70.
- The Theosophical Society was founded in New York City on November 17 by Helena Blavatsky and Henry Steel Olcott.
- Leo Tolstoy continued serializing Anna Karenina, which was being published in installments in the Russian Messenger.
- Mary Baker Eddy published Science and Health with Key to the Scriptures, founding the Christian Science movement.
- The first Kentucky Derby at Churchill Downs had been established the previous year, and the race became an annual fixture in American sporting culture.
- Captain Matthew Webb became the first person to swim across the English Channel on August 25, completing the crossing in approximately 22 hours.
- Cricket matches between England and Australia began to formalize into a regular international competition.
- The world population was approximately 1.456 billion.
- Georges Bizet died on June 3 at the age of 36, just three months after the premiere of Carmen.