The other name of Lailat al Miraj is Shab-e-Miraj. It is the night where we celebrate the Isra’ and Miraj (the Night Journey and the Ascension) of Prophet Muhammad (Peace be upon him) when he traveled from Mecca to Al-Haram As-Sharif (the Temple Mount). He (Peace be upon him) was lifted up to heaven until he reached Paradise where he (peace be upon him) met all the prophets along the way before meeting Allah finally (He saw only the light of Allah).
Islam is a monotheistic Abrahamic religion originated in the Arabian Peninsula 1400 years ago, and spread rapidly to form a majority of the population in the Middle East and many Asian and African countries. Islam now is followed by more than a billion people, making it the second largest religion in the world.