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1 giorno fa · Around 265 AD, the Wei Kingdom mathematician Liu Hui created a polygon-based iterative algorithm and used it with a 3,072-sided polygon to obtain a value of π of 3.1416. [52] [53] Liu later invented a faster method of calculating π and obtained a value of 3.14 with a 96-sided polygon, by taking advantage of the fact that the differences in area of successive polygons form a geometric series ...
2 ore fa · Tēⁿ Hô Hā Se-iûⁿ. The Ming treasure voyages were maritime expeditions undertaken by Ming China 's treasure fleet between 1405 and 1433. The Yongle Emperor ordered the construction of the fleet in 1403. The grand project resulted in seven far-reaching ocean voyages to the coastal territories and islands of the South China Sea and Indian ...
- [Voyages of] Zheng He down the Western Ocean
- 鄭和下西洋
- 郑和下西洋
2 ore fa · Historical earthquakes is a list of significant earthquakes known to have occurred prior to the early 20th century. As the events listed here occurred before routine instrumental recordings, seismotomography technique, observations from outer space using satellites — they rely mainly on the analysis of written sources, observations of shaking objects and/or animal behavior during earthquakes ...
2 ore fa · Aufgegangen in. 1803 Kurfürstentum Württemberg. Das Kloster Zwiefalten (lat. Abbatia Duplices aquae; Patrozinium: BMV) ist eine ehemalige Benediktinerabtei in Zwiefalten am südlichen Ausläufer der Schwäbischen Alb im Landkreis Reutlingen. Die Anlage beherbergt heute eine psychiatrische Klinik.
- Reichsstift; Reichsgotteshaus; Abtei; Kloster
- Reichsabt
1 giorno fa · Er war 1281 Sénéchal vom Périgord, Quercy, Limousin und Carcassonne. 1290 wurde er Marschall von Frankreich. Er starb am 11. Juli 1302 bei der Sporenschlacht . Sein Neffe Jean II., Vicomte de Melun, wurde 1313 zugesprochen, dass er von königlichem Geblüt sei. 1329 war er Großkammerherr von Frankreich als Eduard III.
1 giorno fa · Schloss Ebersberg (Württemberg) 462 m ü. NHN. Schloss Ebersberg, auch Burg Ebersberg genannt, ist die Bildungs- und Begegnungsstätte der Deutschen Pfadfinderschaft Sankt Georg (DPSG) in der Diözese Rottenburg-Stuttgart. Schloss Ebersberg liegt in der Gemeinde Auenwald im Rems-Murr-Kreis östlich der Teilorte Ebersberg und Lippoldsweiler auf ...
1 giorno fa · Besides the permanent three fleets, the Navy continued to organize the ad hoc India armadas, dispatched to India on an annual basis. To aid the Christian forces to conquest Tunis in 1535, King John III sent the Portuguese galleon Botafogo , the world's most powerful warship of the time, armed with between 80-200 guns and under the command of the brother of the King, Louis, Duke of Beja .
