Timeline Thursday 18 May 1048

Events on Thursday 18 May 1048 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.
• 1048 Omar Khayyam is born in Nishapur Birth in Khorasan under early Seljuk rule Omar Khayyam was born in Nishapur, Khorasan. The date of 18 May 1048 comes from a reconstruction of the horoscope recorded by the historian al-Bayhaqi.