Timeline December 1131

Events in December 1131 3

• 1048 – 1131 Omar Khayyam (1048-1131) Born 18 May 1048 Omar Khayyam was born in Nishapur, in what is now Iran, and became a renowned mathematician, astronomer, and poet. He made major contributions to algebra and calendar reform, and is best known in the West for the verses of the Rubaiyat later popularised by Edward FitzGerald's translation. He died on 4 December 1131.
• 1048 – 1131 Omar Khayyam (1048-1131) Persian mathematician, astronomer, philosopher and poet Omar Khayyam was a Persian polymath of the Seljuk period, born and buried in Nishapur. He wrote key works on algebra and geometry, led the calendar reform behind the Jalali calendar, and has quatrains attributed to him that became world-famous through Edward FitzGerald's Rubaiyat.
• 1131 Omar Khayyam dies in Nishapur Death at about 83 Omar Khayyam died in Nishapur on 4 December 1131 and was buried in the city. His grave is now marked by the Mausoleum of Omar Khayyam.