French mandate(declaration of the state of greater Lebanon)
On September 1,1920, general
Guru declared the state of greater Lebanon after the redrawing of the borders between the countries that were subject to the ottoman rule, including Syria and the mutessarifat of mount Lebanon, declaring Beirut as its capital. The flag of the country was the merging of the flags of France and Lebanon together. On may 1923, 1926, the council of Representatives approved the constitution and proclaimed the establishment of the Lebanese republic.