<P> During the two years that followed the end of the war in 1918 -- and in accordance with the Sykes - Picot Agreement signed by Britain and France during the war -- the British held control of most of Ottoman Mesopotamia ( modern Iraq ) and the southern part of Ottoman Syria ( Palestine and Transjordan ) , while the French controlled the rest of Ottoman Syria , Lebanon , Alexandretta ( Hatay ) and other portions of southeastern Turkey . In the early 1920s , British and French control of these territories became formalized by the League of Nations ' mandate system , and on 29 September 1923 France was assigned the League of Nations mandate of Syria , which included the territory of present - day Lebanon and Alexandretta in addition to Syria proper . </P>
<P> During the two years that followed the end of the war in 1918 -- and in accordance with the Sykes - Picot Agreement signed by Britain and France during the war -- the British held control of most of Ottoman Mesopotamia ( modern Iraq ) and the southern part of Ottoman Syria ( Palestine and Transjordan ) , while the French controlled the rest of Ottoman Syria , Lebanon , Alexandretta ( Hatay ) and other portions of southeastern Turkey . In the early 1920s , British and French control of these territories became formalized by the League of Nations ' mandate system , and on 29 September 1923 France was assigned the League of Nations mandate of Syria , which included the territory of present - day Lebanon and Alexandretta in addition to Syria proper . </P>
who gave the territory of syria to a foreign nation in 1922
who gave the territory of syria to a foreign nation in 1922
League of Nations
League of Nations