LDS History, about February 22, 1840

-- about February 22, 1840
[Joseph Smith] Philadelphia, Pennsylvania. Joseph Smith wrote an autograph in the family album of the Wilkinsons, non-members in Philadelphia who later joined the Church. (1)

-- 1840 March 4
Joseph Smith, Jun., arrived in Nauvoo from Washington. (2)

-- 4 Mar. 1840
[Lucy Mack Smith] Joseph Jr. returns to Nauvoo. (3)

-- 1840 Mar 4
[Lucy Mack Smith] Joseph arrives in Nauvoo from Washington, D.C., trip. (4)

-- 1840 March 4
[Wilford Woodruff] Arrives in Frooms Hill, Herefordshire; baptizes 158 in one month, including United Brethren preachers (5)

-- about March 5, 1840
[Joseph Smith] Nauvoo, Illinois. After his return from a fruitless visit to Washington, D.C., to seek redress for injustices the Saints suffered in Missouri, Joseph Smith proclaimed the iniquity and insolence of Martin Van Buren, the president of the United States, with whom he had visited. (1)

-- March 6, 1840
[Joseph Smith] Montrose, Iowa. Joseph Smith attended a meeting of the high council in Iowa and addressed the issue of the law of consecration. (1)

-- March 11, 1840
[Joseph Smith] Nauvoo, Illinois. Joseph Smith wrote a letter to Robert D. Foster. (1)

-- about April 7, 1840
[Joseph Smith] Nauvoo, Illinois. Talitha Garlik Avery Cheney records that she was baptized by the Prophet in the Mississippi River in the evening after the Tuesday session of the Churchs conference. (1)

-- about April 8, 1840
[Joseph Smith] Nauvoo, Illinois. Joseph Smith and his clerk, Robert B. Thompson, prepared credentials for Orson Hyde recommending him as a worthy representative of the Church to the Jews in foreign lands. His ultimate destination was Jerusalem, Palestine. (1)

-- 1840 April 14
Willard Richards is ordained a member of the Quorum of the Twelve Apostles. (6)

-- April 14, 1840
[Quorum of the Twelve] Willard Richards ordained in England. Also the first occasion where Brigham Young was formally sustained President of the Quorum of the Twelve Apostles (7)

-- 1840 April 14
[Wilford Woodruff] Council of Twelve Apostles meets in Preston, England (5)

1 - BYU Studies Journal, volume 46, no. 4: A Chronology of the Life of Joseph Smith
2 - Richards - Little, Compendium of the Doctrines of the Gospel, Church Chronology, Ch.66, p.306
3 - Lucy's Book: A Critical Edition of Lucy Mack Smith's Family Memoir, Edited by Lavina Fielding Anderson, 2001, Signature Books
4 - History of Joseph Smith by His Mother: Revised and Enhanced by Scot Facer Proctor Maurine Jensen Proctor
5 - Wilford Woodruff's Journals 1833-1898: Typescript Edited by Scott G. Kenney, Signature Books, Midvale, Utah. Chronology
6 -
7 -
Mormon History Timeline /Chronology