Question: when was a narrative poem most known from an American poet born July 18, 1850 written?

Related documents: [0]  [DOC] Rose Hartwick Thorpe (July 18, 1850 – July 19, 1939) was an American poet and writer, remembered largely for the narrative poem, "Curfew Must Not Ring Tonight" (1867), which gained national popularity. Other poems followed, among them being "The Station Agent's Story," "Red Cross," and "In a Mining Town." Although a busy and prolific author, she was ill for some years. In 1888, she and her family removed to San Diego, California, living in Rosemere, Pacific Beach. [END] 
[1]  [DOC] Curfew Must Not Ring Tonight is a narrative poem by Rose Hartwick Thorpe, written in 1867 and set in the 17th century. It was written when she was 16 years old and first published in "Detroit Commercial Advertiser". [END]  
Answer: 1867
1867