. . . . . . . . . "Luba calendar"@en . "1274"^^ . . . . . . . . . . . "The Luba people of the Democratic Republic of the Congo have a twelve-month calendar which is thought to begin in September. Each month is named for natural occurrences and human activity appropriate to that time."@en . . . "The Luba people of the Democratic Republic of the Congo have a twelve-month calendar which is thought to begin in September. Each month is named for natural occurrences and human activity appropriate to that time."@en . "26875948"^^ . "1020929344"^^ . . . .