National History Bee and Bowl
The National History Bee and Bowl (NHBB) is a middle and high school knowledge-based academic competition focused on history that is primarily held in the United States. It consists of the National History Bowl, a team event with a 4 quarter format, and the National History Bee, an individual competition featuring 35-45 question rounds.
Source: Wikipedia — National History Bee and Bowl (CC BY-SA 4.0)