Everything has an opposite: Every mountain has a valley; every knife spurns a fork; every night turns to day.

Thanksgiving Day has its opposite too—the National Day of Mourning, which honors native ancestors and the struggles of native peoples. The National Day of Mourning began in 1970 when Wamsutta (Frank B.) James, an Aquinnah Wampanoag elder, gave a speech near the Pilgrim’s first meeting house in Massachusetts.