Pueblo County established
(one of the original 17 counties in the Colorado Territory)

First Court session held

First Religious Services held (building on SE corner 3^rd & Santa Fe)

First public school classes held

St. Peter’s Episcopal Church organized

Telegraph line completed to Pueblo

Census Population: 666

First Presbyterian Church opens

Thatcher brothers charter the First National Bank

Courthouse erected at 10^th and Main

First Colorado State Fair (incorporated as the Agricultural & Industrial Society of Southern Colorado)

The Denver and Rio Grande Railroad arrives in Pueblo (D&RG)