Notable underground film events of 1975 were the formation of Berks Filmmakers, the debut of the Rocky Horror Picture Show and Amos Poe making Night Lunch.
Notable underground film events of 1973 were P. Adams Sitney publishing Visionary Film, John Waters made Female Trouble and David Lynch directed The Amputee.
Notable underground film events for 1973 were a widespread appreciation for Stan Brakhage developed; Alejandro Jodorowsky made The Holy Mountain and more.
Notable underground films in 1972 were John Waters’ Pink Flamingos, Robert Downey Sr.’s Greaser’s Palace; plus Kenneth Anger published his own obituary.
Some notable underground film events in 1971 were Jonas Mekas ending his Movie Journal column, Willard Maas passing away and the first festival was held.