Hanahoe ("Group of One") was an unofficial private group and Secret society of military officers in South Korea headed by Chun Doo-hwan, who later became the South Korean president during the Fifth Republic era.
Hanahoe ("Group of One"), a non-official private group and secret society of military officers in South Korea, was headed by Chun Doo-hwan. He went on to become the South Korean president during the Fifth Republic era.