-- 10 September 1838
[Missouri War] Judge King orders General Atchison to raise four hundred troops and disperse the Mormons and non-Mormon vigilantes. (1)
-- September 12, 1838
[Joseph Smith] Far West, Missouri. Joseph Smith received a report that citizens from Daviess County, Missouri, sent a letter to the governor, Lilburn W. Boggs, filled with lies and falsehoods about the Saints in Missouri. (2)
-- 13 September 1838
[Missouri War] Carroll vigilantes postpone assault on DeWitt and march to Daviess to assist settlers against the Mormons. (1)
-- September 18, 1838
[Joseph Smith] Far West, Missouri. Joseph Smith was at home with illness when Lilburn W. Boggs, governor of Missouri, issued orders to General David W. Atchison of the state militia to march into Daviess and Caldwell Counties in Missouri and assist in the apprehension of certain Church leaders. (2)
-- 18 September 1838
[Missouri War] After receiving reports of disturbances, Governor Boggs orders out two thousand troops and prepares to lead march to western Missouri. (1)
-- 20 September 1838
[Missouri War] Atchison disperses vigilantes in Daviess County and leaves one hundred troops under General Parks to maintain peace. (1)
-- 21 September 1838
[Missouri War] Carroll County vigilantes, returning from Daviess, resolve to expel the Saints from DeWitt. (1)
-- 24 September 1838
[Missouri War] Governor Boggs receives letter from Atchison stating that vigilantes in Daviess have dispersed. Boggs dismisses troops and returns to Jefferson City. (1)
-- 25 Sept. 1838
[Lucy Mack Smith] Don Carlos Smith and George A. Smith leave on a mission to Kentucky and Tennessee to raise funds for the struggling Saints in Missouri. (3)
-- September 26, 1838
[Joseph Smith] Far West, Missouri. A committee of the Church related to Joseph Smith that they had entered into an agreement with a mob to purchase the lands of all of those citizens wishing to leave Daviess County. (2)
-- 1838 October 1-October 11
Carroll County residents besieges the town of De Witt, which was inhabited by Mormons. Negotiations led to the abandonment of the settlement without violence. (4)
-- 1 October 1838
[Missouri War] Vigilantes attack DeWitt, burn the home and stables of Smith Humphrey. During the next several days Mormons appeal to Governor Boggs and other civil authorities for protection. (1)
-- 1838 October 2
The "Kirtland Camp" arrives in Far West, after traveling 3 months through difficult conditions. (4)
Footnotes:
1 - Stephen C. LeSueur: The 1838 Mormon War in Missouri, Appendix: Chronology of Events in Missouri, 1838-1839
2 - BYU Studies Journal, volume 46, no. 4: A Chronology of the Life of Joseph Smith
3 - Lucy's Book: A Critical Edition of Lucy Mack Smith's Family Memoir, Edited by Lavina Fielding Anderson, 2001, Signature Books
4 - http://en.wikipedia.org/wiki/19th_century_(Mormonism)