Wiigwaasabak (Ojibwe language, plural: wiigwaasabakoon) are birch bark scrolls, on which the Ojibwa (Anishinaabe) people of North America wrote complex geometrical patterns and shapes. When used for ritual purposes, these scrolls are called mide-wiigwaas. These writings enabled the memorization of complex ideas, and passing along history and stories to succeeding generations. Several such scrolls are in museums, including one on display at the Smithsonian Museum in Washington, DC. One recent st… (More on Wiigwaasabak)