The document summarizes the ten Sikh gurus who established Sikhism over centuries beginning in 1469. It provides brief biographies of each guru, including that Guru Nanak was the first and founded Sikhism, Guru Gobind Singh was the tenth guru who created the Khalsa in 1699 and appointed the Guru Granth Sahib as his successor in 1708, establishing it as the eternal guru of Sikhism.