Heri za Kwanzaa! A celebration of African-American and Pan-African heritage, family, community and culture, Kwanzaa takes place every year from December 26 to January 1. Each of the seven days in the weeklong celebration is dedicated to one of The Nguzo Sabaone, or seven principles: unity, self-determination, collective work and responsibility, cooperative economics, purpose, creativity, and faith. Hallmark has a selection of Kwanzaa greeting cards to complement your traditional Kwanzaa decorations and gifts in the celebration’s official colors of black, red and green. Say “Happy Kwanzaa” with Hallmark.