The Harmonic Convergence
This was the first major mass event to specifically route New Age spiritual practice through Indigenous American sacred sites, and it directly launched its organiser's later, even more famous 2012 prophecy movement — setting a template that subsequent similar events would follow.
José Argüelles's calling of the Harmonic Convergence (16–17 August 1987)
A 1987 globally coordinated New Age gathering, timed by one man's reading of the Maya calendar, drawing crowds to sites including Mount Shasta and Machu Picchu.