This document summarizes the events of Ghadeer Khumm, where the Prophet Muhammad appointed Ali ibn Abi Talib as the master and successor for the believers before his death. It describes how the Prophet gathered the people and asked them to testify that Ali would be the master for whoever considered the Prophet as their master. However, after the Prophet's death some companions marginalized Ali and the Prophet's household against his instructions. The document ends by saying the Muslim community has strayed from the Prophet's teachings by not following Ali as the rightful successor, but there is still hope if Muslims recognize Ali's legitimate role.