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XV century — Renaissance and printing
The 1400s mark the beginning of the Renaissance. Donatello, Brunelleschi, and the early Leonardo were active in this period. In the 1450s, Gutenberg invented the printing press, changing the spread of knowledge forever.
History
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1400 years of Islam
The Islamic lunar calendar begins in 622 AD (the Hijra). In the 2000s, the Islamic world marked 1400 years of its era. The year 1400 AH corresponds to approximately 1979–1980 in the Gregorian calendar.
Culture
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1410 — Battle of Grunwald
On July 15, 1410, the Polish-Lithuanian army defeated the Teutonic Order at the Battle of Grunwald — one of the largest medieval battles. This victory stopped German eastward expansion.
History