May 18: Ken Betar Harbin, China established: Alexander Gurevich consolidates two Zionist groups: "Hashomer Hatzair" and "Association of Zionist Youth", joining them with Betar. Arie Festinovich appointed Ken commander.

May 28: Brit HaBirionim members remove flag bearing Swastika from building of the German Consulate in Jerusalem.

May 17: "Zion Sejm for Saving the People." Jabotinsky's last speech in Poland before the Holocaust, "I address you: put an end to this situation! Do not go as sheep to the wolf!"

May 12: Jabotinsky proposes joint plan of action to Prime Minister Winston Churchill. Suggests recruiting Jewish army to stand alongside Britain at the war front. British government rejects proposal.

May 18: Journey of 510 illegal immigrants of ship the "Pencho" begins, from Slovakia to Eretz Israel, reaching their destination after 5 years of wandering.

May 20: Etzel Commander David Raziel killed on missions in Iraq, while with comrades Meridor, Sika-Aharoni and Tarazi. German plane bombs his military convoy near Habbaniya.

May 16: Germans set Warsaw Ghetto Great Synagogue on fire, completing ghetto's destruction, after a month of battles against ZOB, under command of Anielewicz and ZZW, under command of Frenkel.

May 17: Etzel force raids "Jerusalem Calling" government broadcasting station in Ramallah, planning Hebrew broadcast on fifth anniversary of White Paper publication. Following technical difficulties, broadcast cancelled and force retreats.

May 27: Monument to Oleh HaGardom Dov Gruner dedicated, opposite Ramat Gan Police Station, where Gruner was captured in Etzel action, in April, 1947. Chana Orloff designed and sculpted monument.