Lower Mesopotamia Persian Gulf and severely limits productivity in the region south of Al Amarah. The salinity is reflected in the large lake in central Iraq, southwest of Baghdad, known as Bahr al Milh (Sea of Salt). There are two other major lakes in the country to the north of Bahr al Milh: Buhayrat ath Tharthar and Buhayrat al Habbaniyah. Lower Mesopotamia Lower Mesopotamia is a historical region of Iraq. Also known as the Sawad and al-'Irāq al-'Arabi ("Arabian Irāq") in the Middle Ages. Lower Mesopotamia was home to ancient Sumerian and Babylonian civilisations. An alluvial plain begins north of Baghdad and
Rye Country Day School a group of parents bought the Seminary in 1917 and established it as a nonprofit day school under the direction of a Board of Trustees. The year 1921 saw the Seminary merge with a boys' school from nearby Harrison, the Rye Country School, and became known as the Rye Country Day Schools. In 1928, the "s" was dropped from the word "Schools". At this time, the School offered a program for girls from kindergarten through grade twelve, and a program for boys from kindergarten through grade nine. In 1964 this pattern of organization was changed when the Board of Trustees