1943-1990 Centralized Unitary Republic (Missak amendment)
The governance period shaped by the National Pact (al-Mithaq al-Watani) of 1943, an unwritten power-sharing agreement between Lebanon’s first president, Bishara al-Khoury, and prime minister, Riad al-Solh, that reserved the presidency for a Maronite Christian, the premiership for a Sunni Muslim, and the speakership of parliament for a Shia Muslim, based on the 1932 census’ six-to-five Christian-Muslim ratio.