There are many facts about this hero of Islam we don't know. Some of the facts about Khalid bin Waleed, I came to know here:

Khalid bin Waleed fought 115 battles and remained undefeated
. Do anyone know more than this?

Khalid Bin Waleed Fought 115 Battles & Remained Undefeated | Sword Of Allah Facts
Khalid Bin Waleed (Sword of Allah) was one of the greatest military general in the history who fought 115 battles & remained undefeated....