worldstandards.eu

YpOJB TIL while different regions all use their own electrical plug type, the IEC (International Electrotechnical Commission) released a universal standard - Type N - in 1986 which they hoped would be adopted worldwide. So far, only Brazil adopted the standard.
QJWB9 TIL that there are currently 15 different types of power outlets in use around the world.
OoBaa TIL Oval car stickers were originally a requirement for European vehicles to indicate their country of origin. Travelers from abroad would bring the stickers home to show off their destinations. They have since become a popular style of bumper sticker for many destinations outside of Europe as well.