Only in Japan: how to connect a grounded appliance to a Japanese socket (worldstandards.eu)

Emergency lifehack: how to insert a type C plug into a British type G outlet without an adapter?

Type L sockets are compatible with type C plugs, but not with grounded E / F plugs (no subtitles)

Les prises italiennes sont compatibles avec les fiches de type C, mais pas avec celles de type E/F

Italiaanse stopcontacten zijn compatibel met de eurostekker, maar niet met geaarde E/F-stekkers

Italian type L sockets are compatible with type C plugs, but not with E/F plugs

Plug type A is still connected to the mains, even when it's pulled halfway out! (worldstandards.eu)

Dagen H - 3 Sept 1967, 5 AM: the moment Sweden switched from left- to right-hand driving