Business Insider spoke with Tim Marshall, author of "Worth Dying For: The Power and Politics of Flags" about how the swastika was a symbol of peace until Hitler and the Nazi party changed its meaning.

The White Poppy was first introduced by the Women's Co-operative Guild in 1933 and was intended as a lasting symbol for peace and an end to all wars. Worn on Armistice Day, now Remembrance Sunday ...

FUKUYAMA, Hiroshima Prefecture--Metallic reproductions of paper cranes folded by atomic bombing victim Sadako Sasaki are being developed as durable symbols of peace ... After her death, a monument ...