Church History,

-- 25-Mar 1816
Don Carlos Smith (Joseph's brother) born in Norwich, VT. (1)

-- 25 Mar. 1816
[Lucy Mack Smith] Don Carlos is born at Norwich, Vermont, the tenth child and seventh (or eighth) son of Joseph Sr. and Lucy Mack Smith. (2)

-- 1816 Mar 25
[Lucy Mack Smith] Birth of Don Carlos. LucyM

-- 25-May 1816
Ebenezer Robertson born in Floyd, NY. (1)

-- 1816 June
[Lucy Mack Smith] Crops are killed by series of untimely ice storms. "Year without a summer." LucyM

-- 1816 summer?
[Oliver Cowdery] The Joseph Smith, Sr. family moved from VT to Palmyra, Ontario (later Wayne), NY and lived in the town for two years before moving south a few miles to Manchester. (3)

-- 1816 Aug
[Sydney Rigdon] Angry over the Redstone's refusal to admit his father's church in Pittsburgh, Alexander Campbell delivered "Sermon on the Law" (4)

-- 1816 Aug?
[Sydney Rigdon] First Baptist Church of Pittsburgh accepted into the Redstone Baptist Association (4)

-- 1816 Aug
[Sydney Rigdon] Thomas Campbell's group applied for admission to the Redstone Baptist Association and was refused (4)

-- Fall 1816
[Lucy Mack Smith] Joseph Sr. moves to Palmyra, Ontario (now Wayne) County, New York. (2)

-- 1816 Fall
[Lucy Mack Smith] Move from New England to Palmyra, N.Y. (could be Jan. 1817). LucyM

-- 1816 Oct
[Sydney Rigdon] Solomon Spalding dies in Amity, PA and is buried there (4)

-- 1816 Oct. 20
[Oliver Cowdery] Solomon Spalding died (age 55) in Amity, Washington, PA. The following year his widow and adopted daughter moved to Onondaga Hollow, Onondaga, NY. (3)

-- 1817
Young leaves his family, who have settled in New York, and sets out on his own as a carpenter and handyman. (5)

Footnotes:
1 - http://docs.google.com/Doc?id=dgv482t8_0d5hdn5cv
2 - Lucy's Book: A Critical Edition of Lucy Mack Smith's Family Memoir, Edited by Lavina Fielding Anderson, 2001, Signature Books
3 - http://olivercowdery.com/history/Cdychrn1.htm
4 - http://sidneyrigdon.com/Rigdchrn.htm
5 - http://www.pbs.org/mormons/timeline/