Events: U

30 events of 717, A to Z.

U

U.N. Trusteeship Council debate on the Marshallese petition, 1954 Jul 1954In July 1954 the U.N. Trusteeship Council voted down a Soviet call for the U.S. to stop its tests in the Marshall Islands.
U.S. acknowledgements of the 1953 coup 2000–2017Statements and releases in which the U.S. government acknowledged a part in the 1953 coup in Iran: Secretary of State Albright in 2000, President Obama in 2009, the CIA’s release of its history in 2013.
U.S. additions to the Uyghur Forced Labor Prevention Act entity list, 2026 31 Jul 2026 – 28 Oct 2026Additions of Chinese companies to the U.S. list of firms it says use forced labour from Xinjiang, on 31 July and 28 October 2026; China condemned both.
U.S. airlift to Israel, 1973 14 Oct 1973The U.S. air shipment of weapons to Israel that began arriving on 14 October 1973.
U.S. and British representations to Belgium (January 1908) 23 Jan 1908On 23 January 1908 the U.S. minister and the British minister told Belgium's foreign minister that their governments reserved their position on the annexation of the Congo.
U.S. embargoes on Japan, 1940–1941 1940–1941U.S. limits on selling Japan scrap iron, steel and oil, and the freezing of Japanese assets on 26 July 1941.
U.S. embassy bombings, August 1998 7 Aug 1998Bombs at the U.S. embassies in Nairobi and Dar es Salaam on 7 August 1998.
U.S. House and Senate resolutions of 2019 29 Oct 2019 – 12 Dec 2019The House passed H. Res. 296 on 29 October 2019 and the Senate agreed to S. Res. 150 on 12 December 2019, each commemorating the Armenian Genocide.
U.S. missile strikes, August 1998 20 Aug 1998U.S. cruise missiles fired at camps in Afghanistan and a plant in Sudan on 20 August 1998.
U.S. nuclear tests in the Marshall Islands Jul 1946 – 1958Sixty-seven U.S. nuclear weapons tests at Bikini and Enewetak atolls between 1946 and 1958.
U.S. opioid overdose epidemic 1999 –Rise in U.S. deaths from prescription, heroin and synthetic opioids since the late 1990s.
U.S. phase-out of leaded gasoline, 1973-1996 1973–1996EPA’s step-by-step limits on lead in gasoline, ending in the 1996 ban on leaded fuel for on-road vehicles.
U.S. Steel's purchase of the Tennessee Coal and Iron Company Nov 1907November 1907 acquisition, which President Roosevelt let proceed after a visit from Elbert Gary and Henry Clay Frick.
U.S. war in Afghanistan 7 Oct 2001 – Aug 2021The U.S.-led campaign that began with strikes on 7 October 2001 and ended with the withdrawal of 2021.
U.S. wars and massacres against Indian nations, 1776 to 1890 1776–1890The wars from the Revolution to Wounded Knee, in which U.S. officials spoke of destruction and extermination and U.S. forces and militias killed noncombatants; historians disagree whether the word genocide fits.
U.S.-Dakota War of 1862 17 Aug 1862 – 26 Sep 1862War in Minnesota from August to September 1862.
Ukrainian independence referendum 1 Dec 1991The vote of 1 December 1991 in which Ukrainians approved independence from the Soviet Union.
UN Commission of Inquiry finding of 16 September 2025 16 Sep 2025The Commission, appointed by the Human Rights Council, found that Israel is responsible for genocide in Gaza, in its Chair's words; Israel rejects the finding. It is a commission's finding, not a court ruling.
UN embargo on Sierra Leone rough diamonds, 2000 5 Jul 2000Security Council ban on imports of rough diamonds from Sierra Leone, with an exemption for diamonds under a government certificate of origin.
UN embargo on uncertified Angolan diamonds, 1998 12 Jun 1998Security Council measures against UNITA, including a ban on imports of Angolan diamonds not covered by the government's certificate of origin.
United States v. De Beers Consolidated Mines, 1945 1945Civil antitrust suit brought by the United States in New York against De Beers and others over gem and industrial diamonds.
United States v. Google (search) 20 Oct 2020 –Antitrust case filed on 20 October 2020 by the Justice Department and states over Google's search distribution agreements.
United States v. Harriss 7 Jun 1954U.S. Supreme Court case of 7 June 1954 that upheld the 1946 law requiring lobbyists to register and report.
United States v. Nixon 24 Jul 1974U.S. Supreme Court case of 1974: the President had to hand over the tapes.
United States v. Philip Morris USA 22 Sep 1999 –The federal racketeering suit against nine cigarette makers and two trade bodies, filed in 1999 and decided by Judge Gladys Kessler in 2006.
United States v. President and Fellows of Harvard College Sep 2000 – Aug 2005Civil suit by the U.S. government over investments made by two Harvard advisers of a U.S.-funded project in Russia, some through family members. The judge held Hay liable on three False Claims Act counts, Shleifer on one, and Harvard for breach of contract. Settled in 2005 without admission of liability.
United States v. The Boeing Company (2021 to 2025) 7 Jan 2021 – 6 Nov 2025The criminal case in Fort Worth: one count of conspiracy to defraud the United States, a deferred prosecution agreement, a Justice Department finding of breach, a rejected plea and a dismissal.
Unocal’s pipeline plans across Afghanistan 1997–1998Plans of 1996 to 1998 for gas and oil pipelines from Central Asia through Afghanistan.
Untreated Syphilis Study at Tuskegee 1932–1972U.S. Public Health Service study, 1932-72, that followed men with syphilis in Macon County, Alabama, without their informed consent and, from the 1940s, without offering them penicillin.
Utrecht ordinance of 1444 1444Ordinance of the city council of Utrecht in 1444 directing that Jews be tortured, imprisoned and expelled; the council repealed it soon after.