Post‑World War II European migration to the Americas (1945–1960)

1. Germany surrenders; mass displacement across Europe begins

   May 8, 1945Labels: Germany surrender, Displaced persons

   • Britannica
   • USHMM

2. Potsdam Agreement endorses population transfers

   Aug 2, 1945Labels: Potsdam Agreement, Population transfers

   • NARA
   • Britannica

3. UN General Assembly adopts IRO constitution

   Dec 15, 1946Labels: International Refugee, UN General

   • UNHCR
   • State Hist

4. IRO Preparatory Commission starts operations in Geneva

   Feb 11, 1947Labels: IRO Preparatory, Geneva

   • State Hist
   • UNHCR

5. Canada announces postwar immigration and DP resettlement policy

   May 1, 1947Labels: Canada immigration, Displaced persons

   • Lipad
   • Canada IRCC

6. United States passes the Displaced Persons Act

   Jun 25, 1948Labels: Displaced Persons, United States

   • US L amp
   • CBP History

7. International Refugee Organization treaty enters into force

   Aug 20, 1948Labels: IRO treaty, International Refugee

   • State Hist
   • UNHCR

8. UN creates UNRWA for Palestinian refugees

   Dec 8, 1949Labels: UNRWA, Palestinian refugees

   • UNRWA
   • UNRWA Wiki

9. UN establishes UNHCR to succeed IRO-era work

   Dec 14, 1950Labels: UNHCR, United Nations

   • NobelPrize
   • UNHCR Wiki

10. 1951 Refugee Convention is adopted in Geneva

    Jul 28, 1951Labels: 1951 Refugee, Geneva

    • UNHCR
    • UK Treaties

11. Canada receives major displaced-person inflow (1947–1952)

    Jan 1, 1952Labels: Canada, Displaced persons

    • Canada IRCC

12. IRO closes; postwar resettlement wave largely completed

    Jan 1, 1952Labels: IRO closure, Postwar resettlement

    • NobelPrize
    • State Hist

13. Refugee Convention enters into force

    Apr 22, 1954Labels: Refugee Convention, Treaty entry

    • UNHCR
    • Refugee Conv