Abū Luʾluʾa Fīrūz, also known in modern Persian-language sources as Abū Luʾluʾ (ابولؤلؤ) or Fīrūz Nahāvandī, was a Sasanian Persian slave who assassinated Umar ibn al-Khattab, the second Islamic caliph, in November 644.
Shrine of Abū Luʾluʾa in Kashan, Iran
Early 20th-century depiction of Abd al-Rahman (ibn Awf or ibn Abi Bakr) witnessing the purported conspiracy of Abu Lu'lu'a, Hurmuzān, and Jufayna (wrongly depicted here as a woman; the depiction of the murder weapon may also be wrong)
Shrine of Abu Lu'lu'a in Kashan, Iran
Umar ibn al-Khattab, also spelled Omar, was the second Rashidun caliph, ruling from August 634, when he succeeded Abu Bakr as the second caliph, until his assassination in 644. Umar was a senior companion and father-in-law of the Islamic prophet Muhammad.
Calligraphic seal featuring Umar's name, on display in the Hagia Sophia, Istanbul
Early 20th-century depiction of Abd al-Rahman (ibn Awf or ibn Abi Bakr) witnessing the purported conspiracy of Abu Lu'lu'a, Hurmuzān, and Jufayna (wrongly depicted here as a woman; the depiction of the murder weapon may also be wrong)
Tombstone of caliph Umar, in the Green Dome in al-Masjid al-Nabawi, Medina. The first window from the right gives a view of Umar's grave.
