November 25 is International Meatless Day & International Vegetarian Day.
The International Meatless Day campaign was first started in India in 1986 by the Sadhu Vaswani Mission- a social service organization with a spiritual aim dedicated to serving mankind, especially the poor and downtrodden. It is also a significant day for Animal Right's groups.
November 25 is also called International Vegetarian Day aka SAK Meatless Day the birthday of Sadhu Vaswani.
If you missed going meatless day, Grey Cup and all, there is the Meatless Monday movement, a tradition that has roots in World War 1 austerity measures.