How was Henryk Sienkiewicz awarded the Noble Prize in Literature?

Name: Henryk Sienkiewicz
Real Name: Henryk Adam Aleksander Pius Sienkiewicz
Date of Birth: May 5, 1846
Birth Place: Wola Okrzejska, Lublin Governorate, Congress Poland
Died: November 15, 1916
Death Place: Vevey, Vaud, Switzerland
Nationality: Polish
Education: Göttingen University Berlin University.
Popularly Known: the pseudonym Litwos
Noble Prize Year: Nobel Prize for Peace in 1905 because of his outstanding merits as an epic writer.