Timeline: documented dates for Umbanda and its context
Sourced dates that help situate Umbanda, separated from traditional narratives.

Dates
Documented history1888: the Lei Áurea, signed on May 13, abolished slavery in Brazil. A date remembered in many houses when honoring pretos-velhos.
Traditional narrative1908: according to tradition, manifestation of Caboclo das Sete Encruzilhadas in Niterói through Zélio de Moraes. Traditional narrative, with no contemporary record cited in the sources consulted.
Documented history1941: Primeiro Congresso do Espiritismo de Umbanda, in Rio de Janeiro.
Documented history2007: Law 11.635 establishes the National Day Against Religious Intolerance, on January 21.
Documented history2008: the Ifá divination system is inscribed on UNESCO's list, according to the source consulted.
Documented history2012: Law 12.644 establishes National Umbanda Day, on November 15.