9th June 1830: The Church gather in Fayette, NY, to hold its first conference. They accept the Articles and Covenants of the Church of Christ, now Doctrine and Covenants 20.
11th June 1829: Joseph smith deposits the title page of the Book of Mormon in the office of R. R. Lansing, clerk of the Northern District of New York, and obtains a copyright.
14th June 1828: Joseph Smith completes the translation of the Book of Lehi and allows Martin Harris to take the 116-page manuscript of the translation to show his family in Palmyra. The manuscript is subsequently lost.
15th June 1828: Emma Smith gives birth to her and Joseph's first son, Alvin. The child dies the same day.
26th June 1829: The title page of the Book of Mormon appears in print for the first time in the Wayne Sentinel, a paper published in Palmyra, NY. [Palmyra NY is in Wayne County.]
28th June 1830: Emma Smith, Joseph and Polly Knight, and twelve others are baptized in Colesville, NY.
1830: Samuel Smith, the first missionary to preach the gospel after the organization of the Church, begins his mission, selling copies of the Book of Mormon in several New York communities.
As found in On This Day In the Church: an illustrated almanac of the Latter-day Saints, Holzapfel, R.N., Baugh, A. L., Freeman, R.C., Hedges, A.H., Deseret Book Company, SLC, 2000.