Through several movements and campaigns, the poppy was adopted by the Royal British Legion in 1921.
The organization sold nine million poppies that year, raising monies to help veterans.
It has since become a long-honored tradition.

And the royal family does just that.
Some have even worn more than one poppy.
Prince William often wears a single poppy pin pinned to his suit lapel throughout the month of November.

PerPeople, this was in accordance with Royal Marine rules, which dictated the placement.
It seems as if there are still some things on which members ofroyal familyare in agreement.
