Tammanend or Tammany (loosely translated as “The Affable One”), was a Native American chief of the Lenni-Lenape tribe which resided in the Delaware Valley during the 17th century. It was Tammany who first met with William Penn in 1683 (under the branches of an enormous elm just north of present-day Philadelphia) and agreed to a peace with Pennsylvania’s original Quaker settlers that would last for over a century…

Tammanend or Tammany (loosely translated as “The Affable One”), was a Native American chief of the...