170 years ago today - Oct 24, 1841

[Joseph Smith] On the Mount of Olives in Jerusalem Apostle Orson Hyde dedicates Palestine for the return of Jewish people.

[Source: Quinn, D. Michael, The Mormon Hierarchy: Origins of Power, Appendix 7: Selected Chronology of the Church of Jesus Christ of Latter-day Saints, 1830-47, http://amzn.to/origins-power]