Well, I did my own homework and learned that 1381 was the date of the short-lived Peasant's Rebellion led by Wat Tyler and John Ball against Richard II -- by the way a fifteen year old youth at the time.

A wonderful survey of English history can be found at this site, which provides source documents from major milestones in medieval history -- including a wonderful letter from Joan of Arc to her English enemies. Talk about dates worth singing about, there are scores of them just in the one resource!

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