61,984 articles
History of the London Underground
The history of the London Underground runs from the Metropolitan Railway of 1863, the world's first underground railway, through the 1890 electric tube to today's 11-line network.
History of the motorcycle
The history of the motorcycle spans the 1860s steam two-wheelers, the 1885 Daimler Reitwagen, the first vehicle powered by an internal combustion engine, and today's electric shift.
History of the New York City Subway
The history of the New York City Subway spans from the first IRT line's opening in 1904, through public unification in 1940, to renewed 21st-century expansion.
History of the Panama Canal
The history of the Panama Canal spans a failed French attempt in the 1880s, American construction of a lock canal opened in 1914, and Panamanian control since 1999.
History of the petroleum industry
The history of the petroleum industry spans ancient use of surface oil seepages to the modern industry begun with the first commercial well in Pennsylvania in 1859.
History of the petroleum industry in the United States
The history of the petroleum industry in the United States began with Edwin Drake's 1859 well at Titusville, Pennsylvania, and includes the Standard Oil monopoly.
History of the pound lock
The history of the pound lock traces the two-gated canal lock from its 1373 debut at Vreeswijk in the Netherlands back to a Chinese chamber lock of 984.
History of the Royal Air Force
The history of the Royal Air Force spans its 1918 formation as the world's first independent air force through the Battle of Britain, the Cold War, and contraction to roughly 31,000 personnel.
History of the shield tunnelling method
The history of the shield tunnelling method begins with Marc Isambard Brunel, who patented the first tunnelling shield in 1818 and used it to build the Thames Tunnel.
History of the steam engine
The history of the steam engine spans from Hero of Alexandria's aeolipile around 100 CE through Savery's 1698 patent and Newcomen's engine to Watt's separate condenser.
History of the steel industry (1850–1970)
The history of the steel industry from 1850 to 1970 covers steel's transformation into a mass-produced commodity through the Bessemer, open-hearth, and basic oxygen process revolutions.
History of the tank
The history of the tank runs from its secret British invention in 1915 to break the trench deadlock of the First World War to today's main battle tanks.
History of the telegraph in Canada
Telegraphy in Canada ran from the first telegram, sent from Toronto to Hamilton on December 19, 1846, until the last Morse code train order in 1977, shaped by Western Union control and railway-owned carriers.
History of the telegraph in Latin America
The history of the telegraph in Latin America covers electrical telegraphy's arrival from the late 1840s, when governments, unlike in the United States, built and ran the networks.
History of the telephone
The history of the telephone runs from Alexander Graham Bell's 1876 patent through switchboards, dial phones, and long-distance networks to mobile systems overtaking fixed lines in 2002.
History of the Teller–Ulam design
The Teller–Ulam design is the hydrogen bomb principle in which X-rays from a fission bomb compress thermonuclear fuel, first tested in the 1952 Ivy Mike shot.
History of the transistor
The transistor, invented at Bell Telephone Laboratories in December 1947 by John Bardeen and Walter Brattain, replaced the vacuum tube and became the most manufactured artifact in history.
History of the web browser
The history of the web browser spans Tim Berners-Lee's first browser at CERN in 1990, the Mosaic and Netscape eras, the Microsoft browser war, and today's Blink-dominated market.
History of the World Wide Web
The history of the World Wide Web covers its invention by Tim Berners-Lee at CERN between 1989 and 1991, its 1993 public release, and rapid global growth.
History of the world's tallest buildings
The history of the world's tallest buildings traces record holders from the Great Pyramid of Giza through New York skyscrapers to Dubai's 828 m Burj Khalifa.
History of the world's tallest structures
The history of the world's tallest structures traces the height record from the Great Pyramid of Giza to the 828 m Burj Khalifa, the record holder since 2010.
History of tiltrotor and convertible-rotor development
The history of tiltrotor and convertible-rotor development traces the aircraft that combine helicopter vertical lift with airplane cruise speed, from the 1950s XV-3 through the XV-15 to the V-22 Osprey.
History of Toyota
History of Toyota traces the Japanese automaker from Toyoda Automatic Loom Works through its 1937 incorporation, the Toyota Production System, and record group sales of 11.22 million vehicles in 2023.
History of transport
The history of transport is the record of technologies that move people and goods, from wind, animals, and the wheel through railways, highways, and aviation to containerized freight.
History of tunnel boring machines
The history of tunnel boring machines spans Marc Brunel's 1818 shield for the Thames Tunnel and James Robbins' first modern TBM, built for South Dakota's Oahe Dam in 1952.
History of unmanned aerial vehicles
The history of unmanned aerial vehicles, or UAVs, traces drones from World War I pilotless torpedoes through Cold War reconnaissance to modern surveillance, combat, and civilian use.
History of water supply and sanitation
The history of water supply and sanitation traces how societies delivered clean water and removed waste, from Neolithic wells and Roman aqueducts to today's piped networks.
History of weapons
The history of weapons traces how tools of war evolved over roughly 10,000 years, from sharpened stone and gunpowder to nuclear, cyber, and drone weapons.
History of YouTube
The history of YouTube covers the video-sharing platform founded on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, former PayPal employees, and sold to Google in 2006.
Hit and run
A hit-and-run, or leaving the scene of an accident, is a traffic crash in which a driver flees without offering information or aid, a criminal offense that delays victims' medical care.