 Complete the following phrase:  Prince Nicholas rule coincided with a series of calamities a major fire, the first Habsburg occupation in 1716 during the Austro-Turkish War of 17161718, and another plague epidemic but witnessed major cultural achievements inspired by The Enlightenment, such as the creation of a short-lived princely library maintained by Stephan Bergler. Grigore II Ghica and Constantine Mavrocordatos maintained the commercial infrastructure, and the city became the site of a large market probably in the Lipscani area and customs. In 1737, during the 