Hazrat Abu Ubayd ibn Mas'ud al-Thaqafi

The First to Answer

When Umar رَضِيَ اللَّهُ عَنْهُHazrat Umar ibn al-Khattabرَضِيَ اللَّهُ عَنْهُSecond Caliph; al-Farooq, who expanded the Islamic stateKhulafa Rashidun · Ashara Mubashara · Muhajirun appealed three days running for volunteers for the Iraq front and no senior Companion stood, Abu Ubayd was the first to rise. Umar رَضِيَ اللَّهُ عَنْهُHazrat Umar ibn al-Khattabرَضِيَ اللَّهُ عَنْهُSecond Caliph; al-Farooq, who expanded the Islamic stateKhulafa Rashidun · Ashara Mubashara · Muhajirun appointed him commander over senior Sahaba for his swiftness, saying: “Leadership goes to whoever runs to it first.” 1 Al-Farooq · pp. 109–140 — Shibli Numani — Abu Ubayd's volunteering and appointment after Umar's three-day Iraq call.

Victories and the Bridge

He defeated Jaban at Namariq and Narsi afterwards. At the Battle of the Bridge (Jasr) over the Euphrates, the Persians brought their elephants against him. He was struck down by Bahman’s elephant and trampled to martyrdom. 2 History of Islam · Vol 1 · pp. 322 — Najeebabadi — Abu Ubayd martyred at the Bridge of the Euphrates, trampled by Bahman's elephant.

He was the father of al-Mukhtar. 3 Al-Farooq · pp. 109–140 — Shibli Numani — Abu Ubayd father of al-Mukhtar.