![Khalid ibn al-Walid Khalid ibn al-Walid](http://www.thefamouspeople.com/profiles/thumbs/no-profile-img.jpg)
Arab Muslim army general Khalid ibn al-Walid had a prominent role in the the Ridda Wars against Arab rebels and in the campaigns in Sasanian Iraq and Byzantine Syria. He was a major figure in the Islamic expansion under the Prophet Muhammad and his successors, Abu Bakr and Umar.