ALIEN HISTORY Histories of Groups: Ω 1900 to 1959 • Posts needed for histories of Groups for this time period. Histories of Individuals: Ω 1900 to 1959 • Posts needed for histories of Individuals for this time period. Histories of Concepts & Things: Ω 1900 to 1959 • Posts needed for histories of Concepts or Objects for this time period.