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Hace 2 días · Kievan Rus', [a] [b] also known as Kyivan Rus ', [c] [7] [8] was a state and later an amalgam of principalities [9] in Eastern and Northern Europe from the late 9th to the mid-13th century. [10] The name was coined by Russian historians in the 19th century. Encompassing a variety of polities and peoples, including East Slavic, Norse, [11] [12 ...
Hace 3 días · Uranium is a chemical element; it has symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium radioactively decays, usually by emitting an alpha particle.
- 92
- f-block groups (no number)
- silvery gray metallic; corrodes to a spalling black oxide coat in air
6 de may. de 2024 · The Sentinel-class cutter, also known as the Fast Response Cutter due to its program name, is part of the United States Coast Guard 's Deepwater program. [2] [3] [4] At 154 feet (46.8 m), it is similar to, but larger than, the 123-foot (37 m) lengthened 1980s-era Island-class patrol boats that it replaces.
6 de may. de 2024 · The Brythonic Kingdom of Gwynedd was established in the 5th century, and it proved to be the most durable of these Brythonic states, surviving until the late 13th century. [13] Boundaries and names emerging from the 1st millennium AD onwards are still being used today to define towns and counties of the region. [41]
6 de may. de 2024 · Син Мономаха Мстислав Великий (1125—1132) продовжив правління батька, однак отримав лише частину держави — Київ, Смоленськ, Новгород. Інші землі перейшли до його братів.
Hace 5 días · 1132 – Hugh of Châteauneuf, French bishop (b. 1053) 1204 – Eleanor of Aquitaine, queen of France and England (b. 1122) 1205 – Amalric II, king of Cyprus and Jerusalem; 1282 – Abaqa Khan, ruler of the Mongol Ilkhanate (b. 1234) 1431 – Nuno Álvares Pereira, Portuguese general (b. 1360)
Hace 4 días · Stephen (1092 or 1096 – 25 October 1154), often referred to as Stephen of Blois, was King of England from 22 December 1135 to his death in 1154. He was Count of Boulogne jure uxoris from 1125 until 1147 and Duke of Normandy from 1135 until 1144. His reign was marked by the Anarchy, a civil war with his cousin and rival, the Empress Matilda ...
