How was Henry Dunant awarded the Nobel Prize Peace?

Name: Henry Dunant.
Country: Switzerland.
Date of Birth: 8 May 1828.
Died: 30 October 1910.
Founder: Red Cross and Red Crescent.
Known as: Founder of the Red Cross.
Noble Prize Year: Nobel Prize for Peace in 1901 for humanitarian efforts to help wounded soldiers and create international understanding.