Cologne (CGN). It is also called Konrad Adenauer Airport after Germany's first post-war Chancellor Konrad Adenauer, who was born in the city and was mayor of Cologne from 1917 until 1933. The airport is shared with the neighbouring city of Bonn. Cologne is headquarters to the European Aviation Safety Agency (EASA). The airport is also the main hub of the airline Germanwings. Cologne is home to numerous universities and colleges, and host to some 72,000 students. Its oldest university, the University of Cologne (founded in 1388) is the largest university in Germany, as the Cologne University of Applied Sciences is the
Historical Archive of the City of Cologne near the Cologne town hall. The records were for the most part those of real estate transactions: these were recorded on sheets of parchment or in books, which subsequently became known as "Schreinsbücher" (shrine books). In Cologne, these books can be traced back to AD 1130. Similar books from the late 12th century are known from the cities of Metz and Andernach. In the 19th century, all records of the old Cologne shrine quarters were transferred to the municipal archives. A municipal archive has existed since at least the year 1322. In 1326 the city council decided to establish the