1958 Havilland Comet 4 Hatfield Reino Unido › Inglaterra › Hertfordshire › Welwyn Hatfield › Hatfield › Hatfield
1959 Invention of the modern seat belt Mineral Point Estados Unidos › Wisconsin › Iowa › City of Mineral Point › Mineral Point
1951 Wittgenstein on his deathbed Cambridge Reino Unido › Inglaterra › Cambridgeshire › Cambridge District › Cambridge
