How did sergeant stubby die?

Sergeant Stubby, the famous war dog who served with the U.S. Army during World War I, passed away in 1926 due to natural causes. After surviving the war and gaining fame for his bravery, Stubby lived a full life, eventually being honored with a military funeral. He is remembered as a symbol of loyalty and courage, having participated in numerous battles and saved many soldiers. His legacy continues to inspire animal lovers and veterans alike.