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Updated:Apr 23, 2026
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Formation of the Israel Defense Forces and Integration of Paramilitary Groups (1947–1950)

Formation of the Israel Defense Forces and Integration of Paramilitary Groups (1947–1950)

  1. Haganah begins major mobilization and reorganization

    Labels: Haganah, Conscription
  2. UN Partition Plan escalates armed conflict

    Labels: UN Resolution, Yishuv
  3. Operation Nachshon marks Haganah shift to offensives

    Labels: Operation Nachshon, Haganah
  4. State of Israel proclaimed; unification pressure rises

    Labels: State of, Provisional Government
  5. Ben-Gurion orders establishment of the IDF

    Labels: David Ben-Gurion, Israel Defense
  6. Defense Army of Israel Ordinance published

    Labels: Defence Ordinance, Israeli law
  7. Irgun–government agreement on absorption into IDF

    Labels: Irgun, Menachem Begin
  8. Altalena Affair accelerates Irgun integration

    Labels: Altalena, Irgun
  9. Senior IDF commanders’ swearing-in ceremony held

    Labels: IDF leadership, Swearing-in ceremony
  10. Palmach autonomy curtailed and integrated into IDF

    Labels: Palmach, Ben-Gurion
  11. UN mediator Folke Bernadotte assassinated in Jerusalem

    Labels: Folke Bernadotte, Lehi
  12. Israeli crackdown on Lehi after Bernadotte assassination

    Labels: Lehi, Israeli government
  13. Ultimatum compels Irgun’s Jerusalem units to disband

    Labels: Irgun Jerusalem, Ultimatum
  14. Irgun formally disbands as independent organization

    Labels: Irgun, Disbandment
  15. Lehi-linked Fighters’ List enters Knesset politics

    Labels: Fighters List, Lehi
  16. IDF leadership transition: Dori ends term; Yadin succeeds

    Labels: Yaakov Dori, Yigael Yadin