February 14:
A.D. 1014: Henry II is crowned Holy Roman Emperor by Pope Benedict VIII.
A.D. 1556: Archbishop Thomas Cranmer declared a heretic by the Church.
A.D. 1689: English Parliament places Mary Stuart and Prince William III on the throne.
A.D. 1855: Texas is linked by telegraph with the rest of the U.S.
And it is of course, the Feast of St. Valentine/Valentine's Day.