Black History
** making African animal masks
** making Kenyan Flags
** learning to count and some basic words in Swahili
** using large mural paper to create landscape and cutting and gluing animals to the mural
** dressing up in Kente cloth
** Reading and acting out 
Who's in Rabbit's House
African-American Biographies
Famous Black American Computer Project
African Kings and Queens
Black History Month Quilt
Timeline/Quiz of African-American History
In Kindergarten, I taught the theme Kenya for a 3 week period.  Some activities I remember include:
In 3rd grade, I have used the following as part of our Black History Month Celebration.
Reader's Theater Scripts
Deep in the Bush, Where People Rarely Ever Go
Black Snake and the Eggs
The Chief Who Was No Fool
Flags of Africa