180 years ago today - about May 30, 1831

Kirtland, Ohio. Joseph Smith received Doctrine & Covenants 50, a revelation in response to Elder Parley P. Pratt's descriptions of strange spiritual manifestations that were sweeping through the Church.

[Source: BYU Studies Journal, volume 46, no. 4: A Chronology of the Life of Joseph Smith, http://amzn.to/BYUStudies-JSChron]