St Valentine's Day

St. Valentine's Day was a traditional holiday celebrated by many Humans on Earth.

Whilst witnessing the end of the Universe, the Doctor gave Romana the last Rolo in the Universe for St. Valentine's Day. (ST: Special Occasions: 2. Do You Love Anyone Enough?)

In Chicago on St. Valentine's Day 1929, Agonal influenced Al Capone to commit the St. Valentine's Day Massacre. (NA: Blood Harvest)

The Eleven-Day Empire attacked and conquered the breakaway Thirteen-Day Republic on St. Valentine's Day. (FP: The Book of the War)