Question: who built al aqsa mosque first?
Answer: Al-Masjid Al-Aqsa. Al Masjid Al-Aqsa was founded forty (days or months or years) next to the Ka`bah. Historians believe that Prophet Ibrahim, peace and blessings be upon him, was the one who built or ordered Al-Aqsa to be built. It was demolished during the conquests of Jerusalem.