Conversation so far:
who wrote oh what a tangled web we weave when first we practice to deceive lyrics?
Walter Scott wrote the words oh what a tangled web we weave when first we practice to deceive “
where did the lyrics Oh, what a tangled web we weave When first we practise to deceive! come from?
Marmion: A Tale of Flodden Field is a historical romance in verse of 16th-century Britain by Walter Scott, published in 1808.

Question: when was the poem written?
Self-contained rewrite: when was Marmion by Walter Scott written?