Manchester, O Cowdery begins 16 weeks of teaching school. (1)
-- Monday, December 22, 1828
Manchester, O Cowdery, no school Christmas week. (1)
-- 1829-1848
[Deseret] The Old Spanish Trail which enters Utah about fifteen miles east of Monticello, and continues roughly northwesterly to about the town of Green River, crosses the Colorado River just northwest of Moab and eventually crosses desert and wash region until it reaches the Green River. (2)
-- 1829
Peter, James, and John, three of the apostles of Jesus Christ during his ministry in Jerusalem, appear to Joseph Smith, Jr. and Oliver Cowdery and confer upon them the Melchizedek Priesthood. (3)
The gold plates are retrieved by the angel Moroni. (3)
The translation of the Book of Mormon is completed. (3)
-- 1829-1838
John Whitmer -- primary scribal author for this period. Writings used in assembling The History of the Church (often cited as HC) (originally entitled History of Joseph Smith; first published under the title History of the Church of Jesus Christ of Latter-day Saints; nicknamed Documentary History of the Church or DHC) (4)
Oliver Cowdery -- primary scribal author for this period. Writings used in assembling The History of the Church (often cited as HC) (originally entitled History of Joseph Smith; first published under the title History of the Church of Jesus Christ of Latter-day Saints; nicknamed Documentary History of the Church or DHC) (4)
Footnotes:
1 - http://www.eldenwatson.net/BoM.htm
2 - http://historytogo.utah.gov/timeline/trapperstradersandexplorers.html
3 - http://en.wikipedia.org/wiki/19th_century_(Mormonism)
4 - http://en.wikipedia.org/wiki/History_of_the_Church