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Hace 17 horas · Manhattan District The Trinity test of the Manhattan Project on 16 July 1945 was the first detonation of a nuclear weapon. Active 1942–1946 Disbanded 15 August 1947 Country United States United Kingdom Canada Branch U.S. Army Corps of Engineers Garrison/HQ Oak Ridge, Tennessee, U.S. Anniversaries 13 August 1942 Engagements Allied invasion of Italy Allied invasion of France Allied invasion of ...
Hace 17 horas · Flagstaff (/ ˈ f l æ ɡ. s t æ f / FLAG-staf) is the county seat of Coconino County, Arizona, in the southwestern United States.As of the 2020 United States census, the city's population was 76,831.. Flagstaff is the principal city of the Flagstaff metropolitan area, which includes all of Coconino County, and has a population of 145,101.Flagstaff lies near the southwestern edge of the ...
Hace 17 horas · Galicia (/ ɡ ə ˈ l ɪ ʃ (i) ə / gə-LISH(-ee)-ə; Galician: Galicia (officially) [ɡaˈliθjɐ] ⓘ or Galiza [ɡaˈliθɐ] ⓘ; Spanish: Galicia) is an autonomous community of Spain and historic nationality under Spanish law. Located in the northwest Iberian Peninsula, it includes the provinces of A Coruña, Lugo, Ourense, and Pontevedra.. Galicia is located in Atlantic Europe.
Hace 17 horas · Iridium is a chemical element; it has symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, it is considered the second-densest naturally occurring metal (after osmium) with a density of 22.56 g/cm 3 (0.815 lb/cu in) [8] as defined by experimental X-ray crystallography. [a] 191 Ir and 193 Ir ...
Hace 17 horas · Spanish-Mexican scientist Andrés Manuel del Río discovered compounds of vanadium in 1801 by analyzing a new lead-bearing mineral he called "brown lead". ... or as a byproduct of uranium mining. It is mainly used to produce specialty steel alloys such as high-speed tool steels, and some aluminium alloys. ... (University of Nottingham)
Hace 17 horas · In the post-Stalin period in the late 1950s, the new political leader Nikita Khrushchev put pressure on the Soviet-American relations by starting a new wave of anti-imperialist propaganda. In his speech on the UN conference in 1960, he announced the continuation of the war on imperialism, stating that soon the people of different countries will come together and overthrow their imperialist ...
