July 21, 1844 – Addison Pratt baptized four white men and four natives on the island of Tubuai. These natives, whose names were Nabota and his wife Telii, Pauma and Hamoe, were the first of the Polynesian race to embrace the fulness of the gospel.
July 22, 1847– The advance company of Pioneers entered Great Salt Lake Valley and camped on Canyon Creek.
July 24, 1847– Pres. Young entered Great Salt Lake Valley and joined the main body of Pioneers at 2 p.m. Not a member of the company had died on the journey.
July 17, 1882 – The Deseret Hospital, the third hospital in Utah and the first Church owned hospital, is opened by the Relief Society in Salt Lake City, Utah.
July 17, 1992 – U.S. President George Bush meets with the First Presidency and members of the Quorum of the Twelve Apostles. During the evening, he makes a surprise appearance at the Mormon Tabernacle Choir’s concert on Temple Square in Salt Lake City, Utah
Taken from Andrew Jenson’s: Church Chronology