1863

Discovery of silver and lead in Bingham Canyon.

1869

Union Pacific track reaches Ogden

President Grant directs Union Pacific and Central Pacific to set a meeting point. After an all night meeting, General Grenville Dodge of Union Pacific and Collis P. Huntington of Central Pacific agree to join tracks at Promontory Summit.

Union Pacific and Central Pacific railroads meet on May 10 at  Promontory.

First non-Mormon church building in Utah (Church of the Samaritan) in Corinne is constructed.

John Wesley Powell explores the Colorado River.

1871

Dedication of First Catholic Church in Utah (St. Mary Madeleine).

1873

Poland Act passed in Congress making it legal to prosecute Mormon for practicing polygamy.

1875

Holy Cross Sisters open Holy Cross Hospital their first hospital in the U. S.

1879

First telephone service established in Ogden.

1906

Open pit copper mining starts in Bingham Canyon.