Gustavus IV was a Swedish monarch who ruled from 1792 until 1809. There are many synonyms for the name Gustavus IV, including Gustav IV Adolf, Gustav Adolf and Gustavus Adolphus. He was known for his devotion to his country and his commitment to his people. Despite his efforts, he was eventually overthrown by a military coup and forced to abdicate. His legacy remains an important part of Swedish history, and he is often remembered for his bravery in the face of adversity and his dedication to his country.