-- 13 September 1819
[Wife of Lorenzo Snow] Birth of Harriet Amelia Squires, future wife of Lorenzo Snow (1)
-- 1820, Early spring
Joseph Smith received First Vision in a grove near his home in Palmyra, NY. (2)
-- 1823, September 21-22
Joseph Smith visited by Angel Moroni and told of Book of Mormon record. Joseph viewed Gold Plates buried in nearby hill (Cumorah). (2)
-- 19 November 1825
[Wife of Lorenzo Snow] Birth of Charlotte Squires, future wife of Lorenzo Snow (1)
-- 29 November 1826
[Wife of Lorenzo Snow] Birth of Sarah Ann Prichard, future wife of Lorenzo Snow (1)
-- 25 December 1828
[Wife of Lorenzo Snow] Birth of Caroline Horton, future wife of Lorenzo Snow (1)
Endnotes:
1 - http://en.wikipedia.org/wiki/Lorenzo_Snow#Wives_and_children
2 - Ludlow, Daniel H. editor, Encyclopedia of Mormonism, Macmillan Publishing, Encyclopedia of Mormonism, Vol. 4, Appendix 2: A Chronology of Church History, http://amzn.to/eG0DIp
LDS History Chronology: Lorenzo Snow
Mormon History Timeline: the life of Lorenzo Snow
http://lds-church-history.blogspot.com/