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Hace 2 días · Founded first as a county within the Kingdom of León in 868, the country officially gained independence as the Kingdom of Portugal with the Treaty of Zamora in 1143. [14] During the 15th and 16th centuries Portugal led the Age of Discovery and established one of the longest-lived maritime and commercial empires , becoming one of the main economic and political powers of the time. [15]
Hace 2 días · Nihonium is a synthetic chemical element; it has symbol Nh and atomic number 113. It is extremely radioactive: its most stable known isotope, nihonium-286, has a half-life of about 10 seconds. In the periodic table, nihonium is a transactinide element in the p-block. It is a member of period 7 and group 13 .
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Hace 2 días · The history of Portugal can be traced from circa 400,000 years ago, when the region of present-day Portugal was inhabited by Homo heidelbergensis . The Roman conquest of the Iberian Peninsula, which lasted almost two centuries, led to the establishment of the provinces of Lusitania in the south and Gallaecia in the north of what is now Portugal.
Hace 4 días · The Crusades of 1239–1241. The Crusades of 1239–1241, also known as the Barons' Crusade, were a series of crusades to the Holy Land that, in territorial terms, were the most successful since the First Crusade. [151] The major expeditions were led separately by Theobald I of Navarre and Richard of Cornwall. [152]
12 de abr. 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.
16 de abr. de 2024 · king (1165-1214), Scotland. William I (born 1143—died Dec. 4, 1214, Stirling, Stirlingshire, Scot.) was the king of Scotland from 1165 to 1214; although he submitted to English overlordship for 15 years (1174–89) of his reign, he ultimately obtained independence for his kingdom. William was the second son of the Scottish Henry ...
4 de abr. de 2024 · John II Comnenus (born September 13, 1087—died April 8, 1143) was a Byzantine emperor (1118–43) whose reign was characterized by unremitting attempts to reconquer all important Byzantine territory lost to the Arabs, Turks, and Christian Crusaders.
