Original: In Sikhism, it is one of the most significant holidays in the Sikh calendar, commemorating the establishment of the Khalsa at Anandpur Sahib in 1699, by the 10th Sikh Guru, Guru Gobind Singh.
Simplified: In Sikhism, it remembers the creation of the Khalsa at Anandpur Sahib in 1699, by the 10th Sikh Guru, Guru Gobind Singh.