What Are the Origins of “Allahu Akbar”

Why in every terrorist attack, terrorists shout “Allahu Akbar”? Who was the first Muslim who shouted “Allahu Akbar” before killing people?

Jihadis shout “Allahu Akbar!” during their attacks, while Western journalists insist that it’s a peaceful expression. “Allahu Akbar” is an Arabic phrase that means “Allah Is Greater.” In Islam, the expression signifies that Allah is greater than anything else, especially the gods of unbelievers. Muhammad himself would shout “Allahu Akbar” when attacking non-Muslims, including the Jews of Khaybar. In this video, David Wood responds to attempts by CNN, the Huffington Post, and the New York Times to ignore the violent history of the phrase