What is omar khayyam famous for
As an astronomer, he calculated the duration of the solar year with remarkable precision and accu
Omar khayyam religion
Rubaiyat of omar khayyam full poem
- Omar khayyam wife
| Omar khayyam religion | Where was omar khayyam born |
| Rubaiyat of omar khayyam full poem | What is omar khayyam famous for |