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"): The Latin title is taken from the Roman poet Horace and means "it is sweet and honorable...", followed by "pro patria mori", which means "to die for one's country".
Relevant evidence: No