THE YEAR 1400 opened with more than usual pea-cefulness in England. Only a few months before, Richard II—weak, wicked, and treacherous—had been dethroned, and Henry IV declared King in his stead. But it was only a seeming peacefulness, lasting but for a little while; for though King Henry proved himself a just and a merciful man—as justice and mercy went with the men of iron of those days—and thou...