In which battle did Hazrat Khalid Bin Waleed (R.A.) first participate for the Muslims?
Q1. In which battle did Hazrat Khalid Bin Waleed (R.A.) first participate for the Muslims?
Answer: Battle of Mutah
Explanation: Khalid ibn al-Walid (RA) first fought for the Muslims at the Battle of Mu'tah (8 AH / 629 CE), where he took command after all three appointed commanders were martyred and led a tactical retreat.