Archduke Otto of Austria was a member of the Habsburg family, born on November 20, 1912. He was the son of Archduke Otto Franz and Princess Maria Theresa of Bourbon. Otto became the head of the House of Habsburg after the death of his father in 1952 and was known for his efforts to promote European unity and reconciliation after World War II. Throughout his life, Otto was involved in various cultural and political activities. He was a strong advocate for the restoration of the Austrian monarchy and worked to preserve the legacy of the Habsburg dynasty. Otto passed away on July 4, 2011, leaving behind a significant historical legacy.