Historiador
This page relates to the year 1090 Calendrier Julien.
Events
The Middle East
- Foundation with Alamut of the Sect of the Assassins ( Hashashin ) or of Batinides ( batin : hidden) by Hassan ibn Al-Sabbah.
- With the Cairo, Hassan ibn Al-Sabbah takes party for the heir Fatimide legitimates Nizar isolated ibn Al-Mustansir capacity by the vizier Badr Al-Djamali. It sets out again for the Perse where it takes the fortress of Alamut, close to Qazvin, to prepare the reconquest Chiite.
Worsen Byzantine
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the regent of the Saljûqides of Rum Abû' l-Qasîm walk on Nicomédie.
- the fleet of the emir of Smyrna, Zachas (Chaka), badgers Alexis Ier Comnène on sea head undergoing a partial defeat.
- the Petchenègues beat the Byzantines with Silistrie and besiege Constantinople (Winter 1090/1091).
- Devaluation of two thirds of the Nomisma .
Europe
- Famine with the Denmark.
- popular Disorders with Pleasure.
- Roger of Sicily takes Malta.
- the Croatia is occupied by the Hungarian.
Science & technology
- Mention of two “Astrolabe S” in the will of the bishop Mozarab of Coïmbra, Paternus.
- First use proven of the Compass on a Chinese ship.
- the scientist Su Song manufactures a Sphère armillaire of bronze being ten meters high, representing the celestial sphere and the astronomical events, and measuring time, the decorated whole of thousand inventions: gong, turn, automats, etc the advent of a new emperor, judicious to correspond to a renewal of calendar, causes the abandonment of this machine and the clock making science in China.
Births in 1090
Death in 1090
-
March 27th: Sykelgaite of Salerno, second woman of Robert Guiscard.
- Michel VII Doukas Parapinakès, old Byzantine Emperor.
Map-bms: 1090
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