BYU Studies, Jerusalem Center, timeline
April 6, 1840 - Joseph Smith calls Orson Hyde and John E. Page on a mission to the Holy Land. For reasons that are not entirely clear, Elder Page returns to Nauvoo and, as a consequence, Elder Hyde travels to Palestine alone.
October 24, 1841 - Elder Hyde ascends the Mount of Olives and offers a prayer dedicating the Holy Land for the gathering of the Jews.
"BYU Jerusalem Center Timeline,"
BYU Studies Quarterly: Vol. 59:
4, Article 3.
Available at: https://scholarsarchive.byu.edu/byusq/vol59/iss4/3