1073 AD hired
In 1073–4 peace was concluded with Sultan Malik-Shah I who had made incursions into Karakhanid dominions. Khayyam entered the service of Malik-Shah in 1074–5 when he was invited by the Grand Vizier Nizam al-Mulk to meet Malik-Shah in the city of Marv. Khayyam was subsequently commissioned to set up an observatory in Isfahan and lead a group of scientists in carrying out precise astronomical observations aimed at the revision of the Persian calendar.
Merv
Lattitude: 37.6627° N
Longitude: 62.1925° E
Region: Russia and Eastern Bloc
Modern Day Turkmenistan
Lattitude: 37.6627° N
Longitude: 62.1925° E
Region: Russia and Eastern Bloc
Modern Day Turkmenistan
Subjects Who or What hired?
Objects To Whom or What was hired?
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Omar Khayyam (عمر خیّام) a Persian polymath, math...
Events in 1073 MORE
