Bloody Island Massacre

The Bloody Island Massacre (also called the Clear Lake Massacre) occurred on an island called in the Pomo language, Bo-no-po-ti or Badon-napo-ti (Island Village), at the north end of Clear Lake, Lake County, California, on May 15, 1850.^[2] It was a place where the Pomo had traditionally gathered for the spring fish spawn. After this event, it became known as Bloody Island.

• http://en.wikipedia.org/wiki/Bloody Island Massacre