Long Island and Rhode Island. In 1609, the English navigator Henry Hudson explored the harbor and purportedly landed at Coney Island. Adriaen Block followed in 1615 and is credited as the first European to determine that both Manhattan and Long Island are islands. Native American land deeds recorded by the Dutch from 1636 state that the Indians referred to Long Island as "Sewanhaka" ("Sewanhacky" and "Sewanhacking" were other spellings in the transliteration of Lenape). "Sewan" was one of the terms for wampum (commemorative stringed shell beads, for a while also used as currency by colonists in trades with the Lenape), and is
Lenape killed the 32 Dutch settlers after a misunderstanding escalated over Lenape defacement of the insignia of the Dutch West India Company. In 1634, the Iroquoian-speaking Susquehannock went to war with the Lenape over access to trade with the Dutch at New Amsterdam. They defeated the Lenape, and some scholars believe that the Lenape may have become tributaries to the Susquehannock. After the warfare, the Lenape referred to the Susquehannock as "uncles." The Iroquois added the Lenape to the Covenant Chain in 1676; the Lenape were tributary to the Five Nations (later Six) until 1753, shortly before the outbreak of the