All articles starting with T
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Tsar
Tsar, also spelled czar (царь), is a Slavic royal title derived from Caesar and borne by the monarchs of Russia from 1547, as well as by those of Bulgaria and Serbia.
Tsar Bell (Царь-колокол)
Tsar Bell (Царь-колокол, Tsarsky Kolokol): monumental bronze bell cast 1733–1735 by Ivan and Mikhail Motorin for Empress Anna Ioannovna; about 202 tons, 6.14 m tall; cracked in the 1737 Kremlin fire, never rung, displayed in the Moscow Kremlin.
Tsar Bomba (Царь-бомба)
Tsar Bomba (Царь-бомба) was the Soviet hydrogen bomb code named Big Ivan, detonated over Novaya Zemlya in 1961 at 50 megatons, the largest nuclear test in history.
Tsar Cannon (Царь-пушка)
The Tsar Cannon (Царь-пушка), also known as Tsar Pushka, is a large bronze bombard cast in 1586 by Andrei Chokhov, displayed in the Moscow Kremlin.
Tsar Fyodor Ioannovich
Tsar Fyodor Ioannovich (Царь Фёдор Иоаннович) is a verse tragedy by Alexei Konstantinovich Tolstoy, banned for decades before opening the Moscow Art Theater in 1898.
Tsar Tank (Царь-танк)
The Tsar Tank (Царь-танк), also known as the Netopyr or Lebedenko Tank, was a giant experimental Russian three-wheeled armored vehicle built in 1915 that bogged down at its only trial.
Tsardom of Russia (Русское царство)
Tsardom of Russia (Русское царство), also Tsardom of Muscovy or Moscow State: the Russian state from Ivan IV's 1547 coronation as tsar to Peter I's 1721 proclamation of empire, marked by Kazan's conquest, the Time of Troubles, and autocracy.
Tsardom of Vidin
The Tsardom of Vidin (Видинско царство), also called the Bdin Tsardom, was a medieval Bulgarian state ruled by Ivan Sratsimir from 1371 until its Ottoman conquest in 1396.
Tsarevich Dmitry of Uglich
Tsarevich Dmitry of Uglich (Царевич Дмитрий) was the youngest son of Ivan the Terrible, who died at Uglich in 1591 in disputed circumstances that fueled the Time of Troubles pretenders.
Tsarevich Egg
The Tsarevich Egg is a 1912 Imperial Fabergé egg of lapis lazuli, given by Tsar Nicholas II to Empress Alexandra at Easter 1912 for their heir Alexei's eighth birthday.
Tsarevich Ivan Ivanovich of Russia (Иван Иванович)
Tsarevich Ivan Ivanovich (Иван Иванович), heir of Ivan the Terrible, died in November 1581 at Alexandrova Sloboda after his father struck him with a pointed staff; his death triggered the succession crisis ending the Rurik dynasty.
Tsarist autocracy
Tsarist autocracy, also known as Tsarism or Russian absolutism, was the unlimited rule of Russia's tsars, who answered to no church, nobility, or law until 1917.
Tsarskaya
Tsarskaya (now Novosvobodnaya), a village in the northwestern Caucasus, Russia, site of Maykop-culture dolmens excavated by Veselovsky in 1898, source of the earliest known fur garment in Eastern Europe.
Tsarskoye Selo (Царское Село)
Tsarskoye Selo (Царское Село), now Pushkin, is a former Romanov imperial residence 25 km south of Saint Petersburg, home to the Catherine Palace with the Amber Room, the Alexander Palace of Nicholas II, and the Imperial Lyceum of Pushkin.
Tsarskoye Selo Lyceum
The Tsarskoye Selo Lyceum (Царскосельский лицей) was an elite Russian school founded in 1811, best known for Alexander Pushkin's class of 1817; in 1843 it moved to St Petersburg as the Imperial Alexander Lyceum.
Tsavo East National Park
Tsavo East National Park, Kenya's largest national park (about 13,747 km², established April 1948), is a semi-arid savanna in Taita Taveta County known for red-dusted elephants, the Yatta Plateau, the Galana River, and over 500 bird species.
Tsavo Man-Eaters
Tsavo Man-Eaters: two maneless male lions that killed railway workers building the Uganda Railway bridge at Tsavo, Kenya, in 1898; shot by John Henry Patterson; victim counts range from 28 to 135, with isotope analysis suggesting about 35; skins and skulls at Chicago's Field Museum.
Tsawwassen
Tsawwassen (scəw̓aθən, "Land Facing the Sea") is a seaside town on a peninsula in southwestern Delta, British Columbia, near the US border and BC Ferries terminal; 2021 population 23,940, adjoining Tsawwassen First Nation, whose treaty took effect April 3, 2009.
Tsawwassen First Nation
Tsawwassen First Nation, a Coast Salish nation in British Canada's BC treaty process, effective April 3, 2009; first BC modern treaty nation to add treaty lands post-treaty (Brunswick Point, 2024).
TSB Bank (United Kingdom)
TSB Bank plc is a British retail bank created by divestment from Lloyds Banking Group in 2014, owned by Banco Sabadell from 2015, and sold to Santander in 2026.
TSC1
TSC1 (TSC complex subunit 1) is a tumor suppressor gene on chromosome 9q34 encoding hamartin, which with tuberin restrains mTORC1; inactivating mutations cause tuberous sclerosis complex, generally milder than TSC2 disease.
TSC2
TSC2 (tuberin, TSC complex subunit 2) is a tumor suppressor gene at 16p13.3 encoding a 1,807 aa GAP protein that with TSC1 and TBC1D7 inhibits mTORC1 via RHEB; mutations cause tuberous sclerosis and LAM.
TScan Therapeutics
TScan Therapeutics is a clinical-stage biotechnology company in Waltham, Massachusetts, founded in 2018 by Stephen Elledge and Tomasz Kula, that develops TCR-engineered T cell therapies for cancer.
Tsects Chasma
Tsects Chasma is a 600 km IAU-named chasma (rift trough) on Venus at 61.6S, 35E in the Lada Terra quadrangle V-56, named in 1997 for a Haida forest-underworld spirit and cutting across Dinah crater and Otygen Corona.
Tsedal Neeley
Tsedal Neeley is a Harvard Business School professor, Senior Associate Dean of the MBA program, and author of Remote Work Revolution (2021) and The Digital Mindset (2022).
Tsegaye Gabre-Medhin
Tsegaye Gabre-Medhin (ጸጋዬ ገብረመድህን; 1936–2006) was an Ethiopian poet and playwright regarded as Ethiopia's poet laureate who wrote nearly 45 plays, directed the Ethiopian National Theatre, and saw his work censored under three governments.
Tsehay Hawkins
Tsehay Hawkins (born 2005, Addis Ababa) is an Australian dancer and the current Yellow Wiggle in The Wiggles, replacing Emma Watkins in 2021 as the group's youngest and first Black member, after a five-time world champion Latin dance career.
Tselina-2
Tselina-2 (Целина-2) was a series of Soviet and later Russian electronic intelligence satellites that combined area survey and detailed direction finding in one spacecraft, launched 23 times between 1984 and 2007.
Tselina-D
Tselina-D was a Soviet electronic intelligence satellite, launched from 1970 until 1994, that determined the exact location and operating characteristics of radars detected by its companion satellites.
Tselina-OM
Tselina-OM (Целина-ОМ, GRAU index 11F616M) is a Soviet electronic intelligence satellite, the modernized wide-area Tselina-O, with 34 satellites launched from Plesetsk on Kosmos-3M rockets between 1968 and 1982.