How many times did Nebuchadnezzar beseige Jerusalem?

Nebuchadnezzar II besieged Jerusalem multiple times, with the most notable sieges occurring in 597 BCE and 586 BCE. The first siege in 597 BCE led to the capture of the city and the exile of many of its inhabitants, including King Jehoiachin. The second and more devastating siege in 586 BCE resulted in the destruction of the city and the First Temple, marking the beginning of the Babylonian Exile for the Jewish people.