搜尋結果
Testing and deployment Nuclear weapons have only twice been used in warfare, both times by the United States against Japan at the end of World War II.On August 6, 1945, the United States Army Air Forces (USAAF) detonated a uranium gun-type fission bomb nicknamed "Little Boy" over the Japanese city of Hiroshima; three days later, on August 9, the USAAF detonated a plutonium implosion-type ...
The Tsar Bomba (Russian: Царь-бомба, romanized: Tsar'-bomba, IPA: [t͡sarʲ ˈbombə], lit. ' Tsar bomb'; code name: Ivan [5] or Vanya ), also known by the alphanumerical designation " AN602 ", was a thermonuclear aerial bomb, and the most powerful nuclear weapon ever created and tested. [6] [7] The Soviet physicist Andrei Sakharov ...
The Iranian Revolution (Persian: انقلاب ایران, Enqelâb-e Irân [ʔeɴɢeˌlɒːbe ʔiːɾɒːn]), also known as the 1979 Revolution and the Islamic Revolution (انقلاب اسلامی, Enqelâb-e Eslâmī),[4] was a series of events that culminated in the overthrow of the Pahlavi dynasty in 1979. The revolution also led to the ...
Iran, [a] officially the Islamic Republic of Iran ( IRI ), [b] also known by its Western-given name Persia, [c] is a country in West Asia. It is bordered by Turkey to the northwest and Iraq to the west, Azerbaijan, Armenia, the Caspian Sea and Turkmenistan to the north, Afghanistan to the east, Pakistan to the southeast, the Gulf of Oman and ...
A thermonuclear weapon, fusion weapon or hydrogen bomb ( H bomb) is a second-generation nuclear weapon design. Its greater sophistication affords it vastly greater destructive power than first-generation nuclear bombs, a more compact size, a lower mass, or a combination of these benefits.
The Iran–Iraq War, also known as the First Gulf War (Arabic: حرب الخليج الأولى, romanized: Harb alkhalij al'uwlaa), was an armed conflict between Iran and Iraq that lasted from September 1980 to August 1988. Active hostilities began with the Iraqi invasion of Iran and lasted for eight years, until the acceptance of United ...
The Achaemenid Empire or Achaemenian Empire,[16] also known as the First Persian Empire[17] (/əˈkiːmənɪd/; Old Persian: , Xšāça, lit. 'The Empire'[18] or 'The Kingdom'[19]), was the ancient Iranian empire founded by Cyrus the Great of the Achaemenid dynasty in 550 BC. Based in modern-day Iran, it was the largest empire by that point in ...
