1806 - Oliver Cowdery, one of the Three Witnesses of the Book of Mormon and Assistant President of the Church, was born in Wells, Vermont.
1835 - The Prophet Joseph invited the Twelve to his house “and exhibited to them the ancient [Egyptian] records, and gave explanations” (History of the Church, 2:287).
1838 - The Kirtland Camp left Far West, Missouri for their final destination, Adam-ondi-Ahman. The Prophet Joseph, Hyrum Smith, Sidney Rigdon, and Brigham Young, accompanied them the first couple miles and then returned to Far West. They camped on Ambrosial Creek.
1843 - Joseph and Emma Smith hosted a dinner party for the opening of their new home, the Mansion House, in Nauvoo. It was attended by one hundred couples and included speeches, music, and a good time enjoyed by all. (History of the Church, 6:42-43)
1847 - The first stake in Utah is organized in Salt Lake City.
1875 - United States President Ulysses S. Grant arrives in Salt Lake City, Utah, becoming the first U.S. President to visit the Utah Territory.
1918 - President Joseph F. Smith receives the Vision of the Redemption of the Dead, later canonized as Doctrine and Covenants 138.
1924 - General conference is broadcast over radio for the first time on a Church-owned radio station in Salt Lake City.
1930 - J. Reuben Clark is appointed U.S. ambassador to Mexico, becoming the first Church member to serve as a United States ambassador.
1956 - The Relief Society Building in Salt Lake City, Utah, is dedicated by President David O. McKay.
1974 - President Spencer W. Kimball delivers his talk entitled “Lengthening Our Stride” at a regional representatives’ seminar that calls for the Church to fulfill its worldwide mission.
1975 - President Spencer W. Kimball announces the organization of the First Quorum of the Seventy and calls the first members of the quorum.
1981 - The Church announces the creation of a Church satellite network placing 500 satellite dishes at stake centers throughout the United States and Canada. The satellite network has since expanded internationally and connects members of the Church from throughout the world to Church headquarters in Salt Lake City, Utah.
1982 - The subtitle “Another Testament of Jesus Christ” is added to the Book of Mormon.
2006 - Presiding Bishop H. David Burton announced plans for a massive, mixed-use redevelopment project dubbed the City Creek Center that will be built on the two blocks south and south east of the Salt Lake Temple. It will include retail, office, and residential areas and will be built by the real estate arm of the Church, Property Reserve, Inc..
2015 - Elder Ronald A. Rasband, Elder Gary E. Stevenson and Elder Dale G. Renlund, were sustained as members of the Quorum of Twelve Apostles. It had been over a century since three Apostles had been sustained at the same conference. Additionally, with the call of Elder Renlund, 100 apostles have now served since the Church was organized in 1830.