Sándor Simonyi-Semadam

Who was Sándor Simonyi-Semadam?

Sándor Simonyi-Semadam was a Hungarian politician who served as prime minister for a few months in 1920. He signed the Treaty of Trianon after World War I on 4 June 1920. With this treaty Hungary lost a considerable amount of its area. Simonyi was the member of the Hungarian-Nippon Society, a society for creating cultural links between Japan and Hungary.

After his term as prime minister he was involved in the financial sector. He was a board member of various banks . His daughter, Erzsébet Simonyi-Semadam had a son, Ernő Simonyi, a prominent lawyer, and Károly Simonyi, a nuclear physicist and university professor was raised as an adopted child.

On 4 June 1946, the twenty-sixth anniversary of the signing of the Treaty of Trianon, Simonyi-Semadam died at his home in Budapest.