Question: "Dulce et Decorum est", was written in which year, and published posthumously in 1920, a poem written by Wilfred Owen during World War I?
Sentence (from "Dulce et Decorum est"): "Dulce et Decorum est" (read , on WikiSource) is a poem written by Wilfred Owen during World War I, and published posthumously in 1920.
Relevant evidence: Yes