Mormon History, Dec 10, 1845, 1845-Feb. 7, 1846

Some 5,000 members received their endowments in the yet-to-be-finished Nauvoo Temple prior to their exodus from Nauvoo.

[source: Church News: Historical Chronology of The Church of Jesus Christ of Latter-day Saints, http://www.ldschurchnews.com/articles/58765/Historical-chronology-of-The-Church-of-Jesus-Christ-of-Latter-day-Saints.html]