1878 CE
A year defined by the Congress of Berlin reshaping the map of southeastern Europe, the Treaty of San Stefano ending the Russo-Turkish War, and the founding of the Edison Electric Light Company.
Geopolitics & Diplomacy
- The Congress of Berlin, convened by Otto von Bismarck from June 13 to July 13, revised the Treaty of San Stefano and redrew the borders of the Balkans.
- The Treaty of San Stefano was signed on March 3, ending the Russo-Turkish War and creating a large autonomous Bulgarian state under Russian influence.
- The Treaty of Berlin replaced the Treaty of San Stefano, reducing the size of Bulgaria and granting Austria-Hungary the right to occupy Bosnia and Herzegovina.
- Romania, Serbia, and Montenegro gained formal independence from the Ottoman Empire under the terms of the Treaty of Berlin.
- Britain acquired Cyprus from the Ottoman Empire through a secret agreement in exchange for promising to protect Ottoman interests against Russia.
- The Second Anglo-Afghan War began in November as British forces invaded Afghanistan to counter growing Russian influence in the region.
- The United States passed the Bland-Allison Act on February 28, requiring the Treasury to purchase silver bullion and mint silver dollars.
- Japan annexed the Ryukyu Islands, formally incorporating the former Ryukyu Kingdom as Okinawa Prefecture over Chinese protests.
- The Pointe-a-Pitre revolt in Guadeloupe challenged French colonial authority in the Caribbean.
- Italy's ambitions in the Horn of Africa grew as the Italian government began establishing commercial contacts in the region that would lead to colonial expansion.
Conflict & Security
- Russian forces advanced to the outskirts of Constantinople in January, forcing the Ottoman Empire to seek an armistice and negotiate the Treaty of San Stefano.
- The Second Anglo-Afghan War began with British forces invading Afghanistan through three mountain passes in November.
- The Battle of Ali Masjid on November 21 opened the Khyber Pass to British forces during the Second Anglo-Afghan War.
- Austria-Hungary occupied Bosnia and Herzegovina in August under the mandate of the Congress of Berlin, meeting armed resistance from the local population.
- The Bannock War erupted in Idaho and Oregon as Bannock and Paiute warriors fought against the United States Army over treaty violations and food shortages.
- The Lincoln County War in New Mexico Territory saw rival factions fight over commercial interests, with Billy the Kid becoming involved in the conflict.
- Sitting Bull and his followers remained in exile in Canada, refusing to return to the United States and surrender to the army.
- Anti-government uprisings in the Ottoman Balkans continued despite the Congress of Berlin's attempt to establish a new political order.
- The Aceh War continued in Sumatra with no end in sight as Acehnese guerrillas maintained their resistance against Dutch colonial forces.
- Anarchist and socialist movements grew in Europe, with political violence including assassination attempts against European heads of state.
Economy & Finance
- The Long Depression showed signs of easing in some sectors, though unemployment and deflation persisted in many countries.
- The Bland-Allison Act restored limited silver coinage in the United States, partially satisfying the demands of silver advocates and western mining interests.
- The Paris World's Fair of 1878 opened on May 1, showcasing industrial and technological progress to over 16 million visitors.
- The Leadville silver mining boom in Colorado attracted thousands of prospectors and investors, with the city growing rapidly.
- The Japanese government sold off many of its state-owned industrial enterprises to private investors at low prices, creating the zaibatsu conglomerates.
- Railroad construction resumed in the United States as the economy began to stabilize, with new lines extending into the Pacific Northwest.
- The Australian wool industry expanded, with sheep stations spreading across New South Wales and Queensland.
- The Egyptian government's financial crisis deepened, leading to increased European control over Egyptian finances.
- The Salvation Army, founded by William Booth in Britain, began its charitable work among the urban poor of London's East End.
- International trade grew as steamship lines expanded their routes, connecting markets across the globe more efficiently.
Technology & Infrastructure
- The Edison Electric Light Company was incorporated on October 15, established to develop and commercialize Edison's research into incandescent electric lighting.
- David Edward Hughes demonstrated a working microphone before the Royal Society in London, improving the transmission of voice over telephone lines.
- The Paris World's Fair featured electric arc lighting on the Avenue de l'Opera and the Place de l'Opera, demonstrating outdoor electric illumination.
- The first commercial telephone exchange was established in New Haven, Connecticut on January 28, connecting twenty-one subscribers.
- Eadweard Muybridge completed his photographic study proving that all four of a horse's hooves leave the ground during a gallop.
- The phonograph demonstrated by Edison the previous year attracted intense public interest, with demonstrations held across the United States and Europe.
- The St. Gotthard Tunnel construction continued as workers drilled through the final sections of rock beneath the Swiss Alps.
- Improvements in steel manufacturing using the Siemens-Martin open-hearth process expanded the range of steel alloys available for construction and manufacturing.
- The first practical cream separator was developed by Gustaf de Laval, mechanizing dairy processing.
- Construction of the Canadian Pacific Railway progressed, though the enormous project faced financial and engineering challenges.
Science & Discovery
- Josiah Willard Gibbs completed his monumental paper On the Equilibrium of Heterogeneous Substances, establishing the foundations of chemical thermodynamics.
- The element ytterbium was discovered by Jean Charles Galissard de Marignac through spectroscopic analysis of rare earth minerals.
- The microphone was developed independently by David Edward Hughes and Emile Berliner, enabling improved sound amplification and transmission.
- Adolf Erik Nordenskiold departed on the Vega expedition in July, attempting to navigate the Northeast Passage along the northern coast of Eurasia.
- The first reliable measurements of the speed of light using rotating mirror methods were refined by Albert Michelson.
- William Crookes identified cathode rays in his vacuum tube experiments, contributing to the understanding of subatomic physics.
- The British Association for the Advancement of Science continued its annual meetings, fostering debate on Darwinism, physics, and scientific method.
- Heinrich Hertz began his studies under Helmholtz at the University of Berlin, working on problems related to Maxwell's electromagnetic theory.
- The Challenger expedition's extensive collections of deep-sea specimens began to be cataloged and published in scientific reports.
- Paleontological discoveries in the American West continued to expand knowledge of prehistoric life, with new fossil finds reported from Wyoming and Colorado.
Health & Medicine
- A devastating yellow fever epidemic struck the Mississippi Valley, killing over 20,000 people, with Memphis, Tennessee losing more than 5,000 residents.
- The Great Famine in India reached its worst phase, with an estimated five to ten million people dying from starvation and related diseases.
- Louis Pasteur presented his germ theory of disease at the French Academy of Sciences, arguing that specific microorganisms caused specific diseases.
- Robert Koch published his work on the etiology of wound infections, demonstrating that specific bacteria caused specific types of infections.
- The yellow fever epidemic of 1878 prompted calls for a national public health organization in the United States.
- Cholera continued to threaten populations in India, the Middle East, and parts of Europe, spreading along trade and pilgrimage routes.
- Tuberculosis remained the single greatest killer in the industrialized world, with no cure or effective treatment available.
- The Japanese government continued to modernize its medical system, establishing hospitals and medical schools based on German models.
- Antiseptic surgical practices became more widespread as additional hospitals adopted Joseph Lister's methods.
- Public health infrastructure improved in major European cities, with expanded sewer systems and cleaner water supplies reducing waterborne disease.
Climate & Environment
- Atmospheric carbon dioxide concentration was approximately 290 parts per million, as later confirmed by ice core analysis.
- The famine in India was driven in part by El Nino-related drought conditions that suppressed monsoon rainfall for the second consecutive year.
- Severe drought also affected northern China, contributing to famine in Shanxi, Henan, and other provinces.
- The commercial bison hunt shifted to the northern Plains as the southern herds had been essentially destroyed.
- Deforestation continued in the American Great Lakes region as lumber companies exhausted the white pine forests of Michigan and Wisconsin.
- Coal smoke pollution remained a persistent problem in London, Pittsburgh, and other industrial cities.
- The passenger pigeon population continued to decline as commercial hunting and habitat loss took their toll.
- Mining operations in Colorado and Nevada polluted rivers and streams with toxic runoff from silver and gold extraction.
- The first fish hatcheries in the United States expanded their operations, stocking rivers and lakes with trout and salmon.
- Forest fires burned through large areas of the American West during the summer, destroying timber and grazing land.
Culture & Society
- The Paris World's Fair of 1878 showcased art, culture, and industry from around the world, with the head of the Statue of Liberty displayed in the Champ de Mars gardens.
- Gilbert and Sullivan premiered H.M.S. Pinafore in London on May 25, which became an enormous popular success in both Britain and the United States.
- Thomas Hardy published The Return of the Native, set on the fictional Egdon Heath in Wessex.
- The Salvation Army was formally named and organized by William Booth, adopting a military-style structure for its charitable mission.
- The first telephone directories were published, listing subscribers to the new telephone exchanges.
- Henry James published The Europeans, continuing his exploration of the contrast between American and European cultures.
- The yellow fever epidemic of 1878 devastated Memphis, with the city's population declining sharply as residents fled.
- The Chautauqua movement expanded its adult education programs, combining lectures, religious instruction, and cultural entertainment.
- The world population was approximately 1.486 billion.
- The first bicycle club in the United States, the Boston Bicycle Club, was founded on February 11, promoting cycling as a recreational activity.