Birtha (Mesopotamia) bastions are quite traceable. There are the ruins of a vaulted secret staircase, leading down from the heart of the citadel to the water's edge. Birtha (Mesopotamia) Birtha () was an ancient fortress on the river Tigris, which was said to have been built by Alexander the Great. It would seem, from the description of Ammianus, to have resembled a modern fortification, flanked by bastions, and with its approaches defended by out-works. Shapur II here closed his campaign in 360, and was compelled to retire with considerable loss. D'Anville and Edward Gibbon both identify Birtha as modern-day Tikrit, Iraq. The
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