Cupid is a child like winged idol often associated with our modern day Valentine’s day. He is the son of Venus the roman goddess of love.
Alexander Graham Bell applied for his patent on the telephone, an "Improvement in Telegraphy", on Valentine's Day, 1876
While some believe that Valentine's Day is celebrated in the middle of February to commemorate the anniversary of Valentine's death or burial -- which probably occurred around 270 A.D
The word Valentine means, sweetheart