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Atossa
Atossa (آتوسا) was an Achaemenid Persian royal woman, daughter of Cyrus the Great, wife of Cambyses II and Darius I, and mother of Xerxes I.
Atotoztli
Atotoztli was a royal woman of Tenochtitlan, said to be the daughter of Moctezuma I and the mother of three later rulers, Axayácatl, Tizoc, and Ahuízotl.
Atra-Hasis
Atra-Hasis, also titled "When the Gods Were Man", is an Old Babylonian Akkadian epic recounting humanity's creation and the Great Flood, which the hero survives by boat.
Atreca, Inc.
Atreca, Inc. was a Campbell, California biotechnology company founded in 2010 that used active human immune responses to develop antibody drugs for solid tumors, including lead candidate ATRC-101.
Atreus
Atreus (Ἀτρεύς), mythical king of Mycenae, son of Pelops, brother and enemy of Thyestes, father or grandfather of Agamemnon and Menelaus; his Thyestean banquet and the curse of the House of Atreus drive the Oresteia and Seneca's Thyestes.
Atri (अत्रि)
Atri (अत्रि), also Attri, is a Vedic sage among the Saptarishi, head of the Atri family of Rigveda poets, husband of Anasuya, and father of Soma, Dattatreya, and Durvasa.
Atrocities in the Congo Free State
Atrocities in the Congo Free State (État indépendant du Congo, 1885–1908): Leopold II's rubber and ivory quota regime enforced by hostage-taking, chicotte floggings, mutilation and punitive expeditions; estimated population decline 15–50%; exposed by Casement and Morel, ended by 1908 annexation.
Atropos (Ἄτροπος)
Atropos (Ἄτροπος), eldest of the Greek Moirai or Fates, the 'inflexible' one who cuts the thread of life; Roman Morta, namesake of atropine and the death's-head hawkmoth.
Atsena Therapeutics, Inc.
Atsena Therapeutics, incorporated in 2019 as VectorEyes Therapeutics, is a Durham, North Carolina gene therapy company whose clinical programs target Leber congenital amaurosis type 1 and X-linked retinoschisis.
Atsiz
Atsiz (اتسز), fully Ala al-Din wa'l-Dawla Abu'l-Muzaffar Atsiz ibn Muhammad, was Khwarazmshah from 1127 or 1128 until 1156 or 1157, remembered as the real founder of the Khwarazmshah dynasty.
Atsiz's rebellion against Sanjar
Atsiz's rebellion against Sanjar (عصيان أتسيز على سنجار) was the Khwarazmshah Atsiz's attempt to throw off the overlordship of his Seljuk suzerain, Sultan Sanjar, fought mainly in Khwarazm and Khorasan between 1138 and 1147.
Atsushi W. Tashima
Atsushi W. Tashima, born 1934, is a senior judge on the United States Court of Appeals for the Ninth Circuit, appointed by President Bill Clinton in 1996.
Atta-hamiti-Inshushinak
Atta-hamiti-Inshushinak (Atta-ḫamiti-Inšušinak) was a late Neo-Elamite king of Anzan and Susa, son of Hutran-tepti, attested by inscriptions and a stela from Susa now in the Louvre.
Attaché
Attaché: lowest ordinary diplomatic rank at an embassy, held by specialized officers such as military, naval, air, commercial, science, and legal attachés; military attachés, formalized after the Napoleonic period with Radetzky's 1810 reporting guidelines, observe foreign armed forces under Vienna Convention accreditation rules.
Attachment in adults
Attachment in adults: stable patterns of security or insecurity in close relationships, measured dimensionally (attachment anxiety and avoidance) or as categories (secure, anxious/preoccupied, dismissing, fearful) via the AAI and ECR.
Attachment theory
Attachment theory, founded by John Bowlby and expanded by Mary Ainsworth's Strange Situation Procedure, explains how infant-caregiver bonds form, classify as secure, avoidant, resistant, or disorganized, and shape later relationships; contested for Western cultural bias.
Attack of the Dead Men
Attack of the Dead Men: German chlorine (possibly with bromine) gas assault on Russia's Osowiec Fortress, 6 August 1915, repulsed by the gas-burned 13th Company counterattack under Kotlinsky; fortress abandoned weeks later.
Attack on Mers-el-Kébir
Attack on Mers-el-Kébir (Operation Catapult): British Royal Navy bombardment of the French fleet at Mers-el-Kébir near Oran, Algeria, on 3 July 1940, killing over 1,200 French sailors after France's armistice with Germany.
Attack on Paul Pelosi
Attack on Paul Pelosi: October 28, 2022 home invasion in San Francisco in which David DePape, seeking Nancy Pelosi, struck her 82-year-old husband with a hammer; federal 30-year and state life sentences followed.
Attack on Pearl Harbor
Attack on Pearl Harbor: the Imperial Japanese Navy's surprise carrier air raid of December 7, 1941 on the US Pacific Fleet in Hawaii, with 350 planes in two waves, killing over 2,400 Americans and bringing the US into World War II.
Attack on Reginald Denny
Attack on Reginald Denny: the April 29, 1992 beating of white truck driver Reginald Denny at Florence and Normandie during the LA riots, televised live, and the 1993 trial of Damian Williams and Henry Watson.
Attack on Shaista Khan
The attack on Shaista Khan was a 1663 night raid by Shivaji on the Mughal general's residence in Pune, wounding the Khan and killing his son.
Attack on Sydney Harbour
The Attack on Sydney Harbour was a Japanese raid on the night of 31 May 1942 in which three midget submarines entered the harbor and sank HMAS Kuttabul, killing 21 sailors.
Attack on the Moncada Barracks
Failed July 26, 1953 assault by Fidel Castro and about 160 rebels on the Moncada army garrison in Santiago de Cuba, also Bayamo; birth of the 26th of July Movement and the Cuban Revolution.
Attack on the Sui-ho Dam
The Attack on the Sui-ho Dam was a United Nations air operation of the Korean War, begun on June 23, 1952, that bombed five North Korean hydroelectric plants.
Attack on the United States embassy in Baghdad
The December 31, 2019 attack on the U.S. embassy in Baghdad, also called the embassy siege, was a storming of the compound by Iran-backed Popular Mobilization Forces supporters after U.S. airstrikes killed 25 Kata'ib Hezbollah fighters, leading to the Soleimani strike.
Attack! (periodical)
Attack! (ATTACK!) was an American white supremacist tabloid, later magazine, official publication of Willis Carto's National Youth Alliance from fall 1969, edited by William Pierce, renamed National Vanguard in April 1978, and serialized The Turner Diaries.
Attacks in Russia during the Russian invasion of Ukraine
Attacks in Russia during the Russian invasion of Ukraine: Ukrainian drone, missile, and sabotage strikes reaching at least 60 Russian regions since 2022, escalating from 245 attacks in 2022 to over 1,000 drones in a single 2026 attack, mainly targeting oil, military, and data infrastructure.
Attacks on health facilities during the Gaza war
Attacks on health facilities during the Gaza war: documented strikes, sieges, and obstructions against Gaza hospitals, clinics, and ambulances since 7 October 2023, with WHO, OHCHR, and Commission of Inquiry counts, legal framework, and health-system collapse.
Attacks on Indian missions in Afghanistan
Attacks on Indian missions in Afghanistan were a series of suicide bombings and armed assaults on Indian embassies and consulates from 2007 to 2016, blamed on Pakistan-based networks.