The year is 1969, the place is San Luis Obispo, California, a junior high science teacher brings an M1 Garand* and live ammo to school for a lunchtime hunter safety class. No one gets hurt and kids learn gun safety. Note*: the M1 was missing its firing pin. I know because I asked the teacher (Mr. Juartena, who was a GREAT guy btw) and he showed me that the rifle was incapable of firing.
Heh, I lived in Santa Margarita in 1969!