Era
Timeless
Explore Wikipedia's Featured Articles from the Timeless era — the encyclopedia's highest-quality entries covering this period of history.
Featured Articles
Ontario Highway 61
King's Highway 61, commonly referred to as Highway 61 and historically known as the Scott Highway, is a provincially maintained highway in the Canadian province…
Ontario Highway 71
King's Highway 71, commonly referred to as Highway 71, is a provincially maintained highway in the Canadian province of Ontario. The 194-kilometre-long (121 mi)…
Onychopterella
Onychopterella (/ˌɒnɪkɒptəˈrɛlə/ ON-ə-kop-tə-REL-ə, from Ancient Greek: ὄνῠξ (ónyx), "claw", and πτερόν (pteron), "wing") is a genus of predatory eurypterid ("s…
Oort cloud
The Oort cloud (pronounced /ɔːrt/ ORT or /ʊərt/ OORT), sometimes called the Öpik–Oort cloud, is theorized to be a cloud of billions of icy planetesimals surroun…
Open Arms (SZA song)
"Open Arms" is a song by American singer-songwriter SZA from her second studio album, SOS (2022), featuring American rapper Travis Scott. It is a ballad backed …
Opening of the Liverpool and Manchester Railway
The Liverpool and Manchester Railway (L&M) opened on 15 September 1830. Work on the L&M had begun in the 1820s, to connect the textile mills of the city of Manc…
Operation Barras
Operation Barras was a British Army operation that took place in Sierra Leone on 10 September 2000, during the late stages of the Sierra Leone Civil War. The op…
Operation Berlin (Atlantic)
Operation Berlin (German: Unternehmen Berlin) was a raid conducted by the two German Scharnhorst-class battleships against Allied shipping in the North Atlantic…
Operation Bernhard
Operation Bernhard was an exercise by Nazi Germany to forge British bank notes. The initial plan was to drop the notes over Britain to bring about a collapse of…
Operation Boomerang
Operation Boomerang was a partially successful air raid by the United States Army Air Forces' (USAAF) XX Bomber Command against oil refining facilities in Japan…
Operation Brevity
Operation Brevity was a limited offensive conducted in mid-May 1941, during the Western Desert Campaign of the Second World War. Conceived by the commander-in-c…
Operation Camargue
Operation Camargue was one of the largest operations by the French Far East Expeditionary Corps and Vietnamese National Army in the First Indochina War. It took…
Operation Catechism
Operation Catechism was the British air raid of World War II that destroyed the German battleship Tirpitz. It was conducted on 12 November 1944 by 29 Royal Air …
Operation Charnwood
Operation Charnwood was an Anglo-Canadian offensive that took place from 8 to 9 July 1944, during the Battle for Caen, part of the larger Operation Overlord (co…
Operation Cobra
Operation Cobra was an offensive launched by the First United States Army under Lieutenant General Omar Bradley seven weeks after the D-Day landings, during the…
Operation Copperhead
Operation Copperhead was a small military deception operation run by the British during the Second World War. It formed part of Operation Bodyguard, the cover p…
Operation Crossroads
Operation Crossroads was a pair of nuclear weapon tests conducted by the United States at Bikini Atoll in mid-1946. They were the first nuclear weapon tests sin…
Operation Epsom
Operation Epsom, also known as the First Battle of the Odon, was a British offensive in the Second World War between 26 and 30 June 1944, during the Battle of N…
Operation Flavius
Operation Flavius was a military operation in which three members of the Provisional Irish Republican Army (IRA) were shot dead by the British Special Air Servi…
Operation Goodwood (naval)
Operation Goodwood was a series of British carrier air raids conducted against the German battleship Tirpitz at her anchorage in Kaafjord in occupied Norway dur…
Operation Grandslam
Operation Grandslam was an offensive undertaken by United Nations peacekeeping forces from 28 December 1962 to 15 January 1963 against the forces of the State o…
Operation Grapple
Operation Grapple was a set of four series of British nuclear weapons tests of early atomic bombs and hydrogen bombs carried out in 1957 and 1958 at Malden Isla…
Operation Hardboiled
Operation Hardboiled was a Second World War military deception. Undertaken by the Allies in 1942, it was the first attempt at deception by the London Controllin…
Operation Hurricane
Operation Hurricane was the first test of a British atomic device. A plutonium implosion device was detonated on 3 October 1952 in Main Bay, Trimouille Island, …