Lupercalia was a Roman festival celebrating fertility, love, cleansing the city of evil spirits. Lupercalia incorporated another festival called Februalia. Februalis was a very old Roman festival celebrating fertillity and cleansing the city of evil spirits. Februalia gave its name to February. February 14th is Valentine's Day. February 14th is also Lupercalia and Februalia Day.
A martyr is someone who is killed for their beliefs. St. Valentine was given the choice of changing his religion or dying in 496. He prefered to die rather than change his religion. Nathan Hale is an American martyr who died in 1776 because he believed American should be independent from Great Britain.
Hitotsu Iunara Kimi by Koo from gbuc.net.