French 1934 en science Cited by user Mandeville on 01 May 2023 * 23 février : vol d'essai du premier avion construit entièrement en métal, le bimoteur commercial Lockheed L-10 Electra.
French 1931 en science Cited by user Mandeville on 25 Apr 2023 * 18 mars : la compagnie Schick met sur le marché le premier rasoir électrique efficace.
Russian Ядерная программа Италии Cited by user Alex parker 1979 on 28 Mar 2022 Италия обладала собственной программой разработки ядерного оружия в конце 1960-ых — начале 1970-ых.
English Italian nuclear weapons program Cited by user Simongraham on 23 Oct 2020 The Italian nuclear weapons program was an effort by Italy to develop nuclear weapons in the late 1960s and early 1970s.