24 AOUT 1944
[Emblem of the 2nd Armored Division of the Free French Army]
COLONNE DRONNE
LIBARATION DE PARIS
[Emblem of Paris]
24 AOUT 2004

REPUBLICAINS ESPAGNOLS
COMPOSANTE PRINCIPALE
DE LA
COLONNE DRONNE

The plaque on the town hall indicates the liberation of the city of Paris. The plate shows the vanguard force of Captain Dronne (Raymond Dronne), who was the second Allied officer to enter Paris. Captain Dron of the 2nd Armored Division of the Free French Army moves towards the Town Hall on August 24, 1944, where the sign is displayed.
Additional plaques are found throughout Paris.

Another plate below this plate (shown in the main photo), indicates the Spanish forces that were in the vanguard.

The place where the sign is located was photographed on the same day Click for a larger image

Translation of the text on the sign:
AUGUST 24, 1944
[Emblem of the 2nd Armored Division]
DRONNE COLUMN
LIBERATION OF PARIS
[Emblem of Paris]
AUGUST 24, 2004

SPANISH REPUBLICANS
MAIN COMPONENT
OF THE
DRONNE COLUMN