Complex sentence: The UAI was founded in 1919 at the initiative of the Académie des Inscriptions et Belles-Lettres where the statutes of the UAI were adopted during two meetings held in Paris in May and October 1919.
Split into simpler sentences: The UAI was founded in 1919 at the initiative of the Académie des Inscriptions et Belles-Lettres. The statutes of the UAI were developed and adopted at two meetings held in Paris in May and October 1919.