First printed copies of the Book of Mormon available, Palmyra, New York. (1)
-- 1830 March 26
The Wayne Sentinel announces the Book of Mormon has been published. (2)
-- March 26, 1830
[Joseph Smith] Palmyra, New York. The Book of Mormon was advertised for sale at Egbert B. Grandins bookstore. (3)
-- 1830, March 26
[Joseph Smith] (age 24)The first printed copies of the Book of Mormon become available to the public at Egbert B. Grandins bookstore in Palmyra. (4)
-- March 26-31, 1830
[Revelations] Manchester, New York. Doctrine and Covenants 19. For Martin Harris. Christ has power over Satan. All must repent or suffer endless (God's) torment. Keep commandments Joseph has given. Don't show this revelation to the world. Don't covet your neighbor's wife or your own property. Pay the printer's bill for the Book of Mormon. Go out and preach. Visit home only to see your family.
Book of Commandments 16 heading: A commandment of God and not of man to you, Martin, given (Manchester, New-York, March 1830,) by him who is eternal:.
1835 Doctrine and Covenants 44 heading: A commandment of God and not of man to Martin Harris, given (Manchester, New-York, March 1830,) by him who is eternal:.
Book of Commandments 16. (5)
-- 29 Mar. 1830
[Lucy Mack Smith] Lucy, Hyrum, and Samuel H. Smith are suspended from the Presbyterian church for nonattendance. (6)
-- 1830 April
Joseph Smith, Jr. produces section 20 of the Doctrine and Covenants (D&C), which serves as the constitution of the soon to be formed church. (2)
Oliver Cowdery is called to preach for the religion. (D&C 23, 24) (2)
1 - http://scriptures.lds.org/chchrono/contents
2 - http://en.wikipedia.org/wiki/19th_century_(Mormonism)
3 - BYU Studies Journal, volume 46, no. 4: A Chronology of the Life of Joseph Smith
4 - Teachings of Presidents of the Church: Joseph Smith, The Church of Jesus Christ of Latter-day Saints, Salt Lake City, Utah
5 - http://saintswithouthalos.com/s/_dc.phtml
6 - Lucy's Book: A Critical Edition of Lucy Mack Smith's Family Memoir, Edited by Lavina Fielding Anderson, 2001, Signature Books