Timeline...
1918
Royal Fusiliers 38th Battalion of British Army organized for campaign in Eretz Israel. Reach Egypt from England, under command of Lieutenant Colonel Patterson and First Lieutenant Jabotinsky
1932
March 22, 1932: Poem "The Betar Song", written by Zeev Jabotinsky, published as Betar Movement anthem. Following Etzel division in 1940, 'Tagar' stanza becomes Etzel anthem.
1934
March 24, 1934: Brit Hatzohar resigns from Jewish National Council following conflicts in Yishuv (pre-State community) after murder of Chaim Arlosoroff and decisions against Hatzohar by 18th Zionist Congress.
1939
March 6, 1939: Avraham "Yair" Stern comes out against Jabotinsky and Raziel. Stern defines Etzel strategy guidelines during press conference in Warsaw: response actions against Arabs and encouraging illegal immigration.
1939
March 14, 1939: Eri Jabotinsky submits "Plan of the Ten Thousand" to Betar leadership. Basic principle: to bring 10,000 illegal immigrants to Eretz Israel shores by September 1, 1939.
1940
March 7, 1940: Zeev Jabotinsky sets out on Hatzach mission to the U.S. One aim of mission: to organize Jewish army to fight alongside Britain against Nazi Germany.
1946
March 6, 1946: Etzel fighters raid 'Tzfrifin' (Sarafand) Camp on "procurement" mission. Forced to retreat under exchange of fire. Michael Ashbel and Yosef Simhon captured and sentenced to death.
1948
March 19, 1948: Etzel "Second Front" initiates actions against British targets in Europe. Attack carried out on "Park" Hotel, Vienna, location of British military offices.
1948
March 27, 1948: Hagana and Etzel units cooperate in joint actions to remove Arab blockade on Jewish Quarter of the Old City of Jerusalem.