Illinois State Capitol

Dated: Dated 1868–88
Declared purpose: Seat of the Illinois General Assembly
Today: Survives, still the capitol
Build time: About 20 years (1868–88)
Region: United States
Architect of record: Alfred H. Piquenard, architect: about 41 when credited (1867, born 1826). Build time on record: about 20 years (1868–88).; John C. Cochrane, architect: about 32 when credited (1867, born 1835). Build time on record: about 20 years (1868–88).All architects of record →
On the list as: Documented

Hidden history

Found, Not Built

A tall dome of limestone and zinc over the Illinois capitol, credited to Cochrane and Piquenard, the same pair as Iowa.

Twin capitols
Iowa and Illinois got capitols from the same architects at the same time.
The sixth capitol
It is the sixth building to serve as capitol since 1818. Researchers ask what happened to the others.
Architect of record
Alfred H. Piquenard (born 1826) was about 41 when credited with the design in 1867. The Architects of Record page asks how often a young or little-known name delivers a landmark.