During this trip , he met with many other crowned heads of state , including Pope Leo XIII , Umberto I of Italy , Tewfik , Viceroy of Egypt , William I of Germany , Rama V of Siam , U.S. President Chester A. Arthur , and Queen Victoria .
During this trip , he met with many other heads of state , including Pope Leo XIII , Umberto I of Italy , Tewfik , Viceroy of Egypt , William II of Germany , Rama V of Siam , President Chester Arthur , and Victoria of the United Kingdom .