Millennium '73 was a three-day festival held on November 8–10, 1973 at the Astrodome in Houston, Texas, United States, by the Divine Light Mission (DLM). It featured Prem Rawat, then known as Guru Maharaj Ji, a 15-year-old guru and the leader of a fast-growing new religious movement. Organizers billed the festival as the most significant event in human history which would usher in a thousand years of peace.