The station opened on 3 November 1904. It takes its name after 4 September 1870, the date Napoleon III fell and the Third French Republic was proclaimed by Léon Gambetta.
It is situated in the 2nd arrondissement.
The underground station is served by the metro line 3.
White plastic seats on a base with olive green tiles. The tiles match the colour of the light shades.
The light shades are rectangular green metal boxes suspended from the ceiling running along the edge of the platform.
Entrance to the platform from the end. Each platform has one entrance.
The tracks are between the two platforms. The edge of the platform is marked in white, with no additional yellow line. A row of about 20 cm wide nobbed tiles has been added to warn sight-impaired travellers of the edge.
Signage in upper and lower case on a blue plastic covered sign. The font is sans serif.
The white tiles are flat and matt. They are placed horizontal.