Istanbul observatory of Taqi al-Din ended in 1580.
Aldin Grange for Bearpark railway station ended in 1954.
Göttingen Observatory ended in 1984.
Rossitten Bird Observatory ended in 1946.
El Tiempo - Istanbul - ended in 1930.
Barren Grounds Bird Observatory ended in 2004.
Rotamah Island Bird Observatory ended in 2001.
Ohio State University Radio Observatory ended in 1998.
Paris
Some words that end with the suffix -tory are: laboratory, directory, observatory, and dormitory.
Hagia sophia is in Istanbul, Turkey. The church of Hagia Sophia (Holy Wisdom) is in Istanbul formally Constantinople, Turkey. It was converted to a Mosque in 1453 and remained one until the end of the Ottoman Empire.
It was transferred from Constantinople(later renamed Istanbul in 1930) To Ankara.
Sultan Mehmet the second was the 18 year old who conquered Constantinople ( Istanbul) And put an end to the Byzantine empire