Historical day

Inside of Peter Whitmer's Farm home

It was at this location that the Church of Jesus Christ of Latter-Day-Saints was organzied, on April 6th, 1830.
See Doctrine & Covenants Section 20:

"1 The arise of the Church of Christ in these last days, being one thousand eight hundred and thirty years since the coming of our Lord and Savior Jesus Christ in the flesh, it being regularly organized and established agreeable to the laws of our country, by the will and commandments of God, in the fourth month, and on the sixth day of the month which is called April—"