Laylat Al-Qadr, (Arabic: “Night of Power”) Islamic festival that commemorates the night when the Quran was first sent down from Heaven to the world. The night which God first revealed the Qurʾān to the Prophet Muhammad (P.B.U.H) and his family. through the angel Gabriel (P.B.U.H). It is believed to have taken place on one of the final 10 nights of Ramadan in 610 CE.