"Congo Bongo": Not a Historical Event

"Congo Bongo" is not a recognized historical event. The term most likely refers to:

• A 1983 arcade game by Sega (an isometric platformer similar to Donkey Kong)
• A song title (e.g., by various artists referencing Congo rhythms)
• A fictional place in literature or media

If you're asking about a specific historical event in the Congo region (e.g., Congo Free State atrocities, independence 1960, Congo Wars), please clarify the context.