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17 ore fa · Edmund of Langley, 1st Duke of York (1341–1402), fifth son (fourth surviving son), born at Kings Langley Palace, Hertfordshire. He married firstly Isabella of Castile, by whom he had issue, sister of Constance of Castile, second wife of his elder brother John of Gaunt, 1st Duke of Lancaster.
3 giorni fa · Societal infighting weakened the military power of the Byzantine Empire in the 14th century, including two major civil wars beginning in 1321 and 1341. The civil war of 1321–28 was led by a grandson of the Byzantine Emperor Andronikos II and supported by Byzantine magnates who often clashed with the centralized authority.
3 giorni fa · When Andronikos III died in 1341, his underage son John V Palaiologos inherited the throne. Disputes between John V's mother Anna of Savoy and the Patriarch John XIV on one side and Andronikos III's friend and megas domestikos John Kantakouzenos on the other led to a new and devastating civil war , lasting until 1347 and won by John ...
6 giorni fa · Fifth Council of Constantinople (1341–1351) affirmed hesychastic theology according to Gregory Palamas and condemned Barlaam of Seminara. Synod of Iași (1642) reviewed and amended Peter Mogila's Expositio fidei (Statement of Faith, also known as the Orthodox Confession).
1 giorno fa · Quantum mechanics - Wikipedia. Contents. hide. (Top) Overview and fundamental concepts. Mathematical formulation. Time evolution of a quantum state. Uncertainty principle. Composite systems and entanglement. Equivalence between formulations. Symmetries and conservation laws. Examples. Free particle. Particle in a box. Harmonic oscillator.
3 giorni fa · Ancient Egyptian art refers to art produced in ancient Egypt between the 6th millennium BC and the 4th century AD, spanning from Prehistoric Egypt until the Christianization of Roman Egypt. It includes paintings, sculptures, drawings on papyrus, faience, jewelry, ivories, architecture, and other art media. It was a conservative tradition whose ...
2 giorni fa · Great Western Railway locomotives. Isambard Kingdom Brunel (1835–1837) The GWR's first locomotives were specified by Isambard Kingdom Brunel but did not prove too successful.
