Use "second empire" in a sentence

1. In the second article, we explore French Second Empire and Romanesque Revival Courthouses of the late 1800's.

2. The Cockade adorned French headdress of the late monarchy, the Second Republic (1848-1852), Second Empire (1852-1870), and was even used into the Third Republic (1870-1940)

3. Courbet rejected academic painting and its smooth, idealised nudes, but he also directly recriminated the hypocritical social conventions of the Second Empire, where eroticism and even pornography were acceptable in mythological or oneiric paintings.