Question: When was the lord of the rings written?
Disambiguated questions and answers: question: When was The Lord of the Rings trilogy written by JRR Tolkien?
When was the screenplay for the Lord of the Rings movies written?
answer: between 1937 and 1949
mid-1997
Natural Questions answer: between 1937 and 1949 (from the Wikipedia article "The Lord of the Rings")