Kwanzaa is a pan-African celebration that occurs from December 26 to January 1, commemorating its 49th anniversary in 2015, and emphasizes African cultural values and community unity. The holiday's seven principles, known as nguzo saba, incorporate themes such as unity, self-determination, and creativity, serving as guiding values throughout the year. Celebrated globally by people of African descent, Kwanzaa fosters cultural awareness and connections to heritage amidst ongoing struggles for social justice.