Complex sentence: Alexandru Marghiloman signed the treaty at Buftea (near Bucharest) on 7 May 1918 and ratified by the Chamber of Deputies on 28 June and by the Senate on 4 July 1918.
Split into simpler sentences: Alexandru Marghiloman signed the treaty at Buftea (near Bucharest) on 7 May 1918. It had been ratified by the Chamber of Deputies on 28 June and by the Senate on 4 July 1918.