Lenape French and Indian War (a part of the Seven Years' War in Europe). The Lenape's quick adoption of trade goods, and their need to trap furs to meet high European demand, resulted in their disastrous over-harvesting of the beaver population in the lower Hudson Valley. With the fur sources exhausted, the Dutch shifted their operations to present-day upstate New York. The Lenape who produced wampum in the vicinity of Manhattan Island temporarily forestalled the negative effects of the decline in trade. Lenape population fell sharply during this period, due to high fatalities from epidemics of infectious diseases carried by Europeans,
Lenape and into Pennsylvania, then Ohio and beyond. Sporadically they continued to raid European-American settlers from far outside the area. In 1763 Bill Hickman, Lenape, warned English colonists in the Juniata River region of an impending attack. Many Lenape joined in Pontiac's War, and were numerous among those Native Americans who besieged Pittsburgh. In April 1763 "Teedyuscung" was killed when his home was burned. His son Captain Bull responded by attacking settlers from New England who had migrated to the Wyoming Valley of Pennsylvania. The settlers had been sponsored by the Susquehanna Company. The Lenape were the first Indian tribe to