Wampum the spoken language is. Records and treaties are kept in this manner, and individuals could write letters to one another in this way. Wampum belts were used as a memory aid in oral tradition, and were sometimes used as badges of office or as ceremonial devices in Indian culture such as the Iroquois. The 1820 New Monthly Magazine reports on a speech given by chief Tecumseh in which he vehemently gesticulated to a belt, pointing out treaties made 20 years earlier and battles fought since then. The National Museum of the American Indian repatriated eleven wampum belts to "Iroquois" chiefs
Wampum wampum was central to establishing and renewing peace between clans and families. When a man representing his respective social unit met another, he would offer one wampum inscribed with mnemonic symbols representing the purpose of the meeting or message. The wampum, thus, facilitated the most essential practices in holding the Iroquois society together. When Europeans came to the Americas, they adopted wampum as money to trade with the native peoples of New England and New York. Wampum was legal tender in New England from 1637 to 1661; it continued as currency in New York until 1673 at the rate of