Franco‑British Boundary Commission and the Syria–Lebanon border demarcation (1920–1923)

1. Ottoman provinces shape prewar local administration

   Jan 1, 1914Labels: Ottoman provinces, Local administration

   • Britannica
   • LoC Maps

2. Sykes–Picot outlines Franco-British spheres of influence

   May 16, 1916Labels: Sykes Picot, Franco British

   • Britannica
   • UK Archives

3. San Remo Conference assigns draft mandates in the Levant

   Apr 25, 1920Labels: San Remo, League of

   • Britannica
   • UN Archive

4. Franco-British convention creates a joint boundary mechanism

   Dec 23, 1920Labels: Franco British, Boundary mechanism

   • Wikisource
   • Wikimedia

5. Paulet–Newcombe Commission begins fieldwork

   Jun 1, 1921Labels: Paulet Newcombe, Lt Col

   • LebArmy
   • Brit Treaties

6. Commission identifies boundary points and drafts maps

   Dec 31, 1921Labels: Boundary maps, Survey points

   • LebArmy
   • INSS

7. Final report on the frontier is signed

   Feb 3, 1922Labels: Final report, Commission report

   • LebArmy
   • JTA Archive

8. Boundary pillars and separation points formalize the line

   Feb 4, 1922Labels: Boundary pillars, Separation points

   • LebArmy
   • INSS

9. Britain and France sign the boundary treaty in Paris

   Mar 7, 1923Labels: Paulet Newcombe, Paris treaty

   • FCDO Treaty
   • ECF

10. Demarcation becomes effective after exchange of memoranda

    Mar 10, 1923Labels: Memoranda exchange, Demarcation effective

    • LebArmy
    • FCDO Treaty

11. Mandate-era border serves as recognized international boundary

    Sep 29, 1923Labels: Mandate border, International boundary

    • INSS
    • ECF

12. Agreement is registered with the League of Nations

    Feb 6, 1924Labels: League of, Registered agreement

    • LebArmy
    • FCDO Treaty