Birtha (Mesopotamia) 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 word "Birtha" in Syriac means a castle or fortress, and might be applied to many places. From the known position of Dura, it has been
Poly Prep Country Day School Poly Prep Country Day School Poly Prep Country Day School (known familiarly as Poly Prep) is an independent school with two campuses in Brooklyn, New York, United States. Middle School (5th to 8th grades) and Upper School (9th to 12th grades) are located in the Dyker Heights section of Brooklyn. Lower School (nursery to 4th grade) is located in Brooklyn's landmarked Park Slope neighborhood. Initially founded as part of the Brooklyn Collegiate and Polytechnic Institute (predecessor of the NYU Tandon School of Engineering), Poly Prep now offers classes from nursery school through 12th grade. Poly Prep Country Day School was