Arnoldo Mondadori Editore’s magazine I Romanzi di Urania first hit newstands in Italy in 1952. It helped expose Italians to veteran sci-fi writers such as Isaac Asimov, Roger Zelazny, and Robert Heinlein, and also published the work of Italian and French writers. We located a Urania archive here that contains hundreds of cover scans. It’s well worth a look. Just remember Urania doesn’t rhyme with either urine or anus. It’s pronounced oo-RAH-nia.
1947—Heyerdahl Embarks on Kon-Tiki
Norwegian ethnographer and adventurer Thor Heyerdahl and his five man crew set out from Peru on a giant balsa wood raft called the Kon-Tiki in order to prove that Peruvian natives could have settled Polynesia. After a 101 day, 4,300 mile (8,000 km) journey, Kon-Tiki smashes into the reef at Raroia in the Tuamotu Islands on August 7, 1947, thus demonstrating that it is possible for a primitive craft to survive a Pacific crossing.