Some of the first anti-war demonstrations were teach-ins marches on the pentagon draft card burnings immolations

The answer to the question stated above is immolation.
Some of the first anti-war demonstrations were immolations.
These immolations are are self immolations by Buddhist monks.

>>Self-immolation is an act of killing oneself as a sacrifice.
     This is typically referred only to setting oneself on fire. In history,         immolation is a suicidal option