1920s card

The evolution of valentines

A display at the History Museum at the Castle in Appleton, Wis., showcases elaborate paper lace valentines and 1910 postcards.

Photos: America Remembers: Sept. 11

On Sept. 11, 2001, nearly 3,000 people were killed on America’s worst day of terrorism as 19 al-Qaida terrorists hijacked four passenger jet…