The name of Clichy-sous-Bois comes from
Roman Cleppius, seventh century
Clippiacum superius, twelfth century
Clichiacum. Flint tools from the
Neolithic era have been found there. Clichy en Aulnois belonged to the lords of
Livry in the early
Middle Ages. Subject to the
Knights Templar in the 13th century, Clichy then passed into possession of the
Knights Hospitaller order. Until the 16th century, it was a hunting resort of the French kings. The
Hôtel de Ville was built as a private residence and completed in 1645. In the 18th century, it belonged to the
Duc d'Orléans. In 1820, the village had about 150 people. On 20 May 1869, a part of the territory of Clichy-sous-Bois was detached and merged with a part of the territory of
Livry-Gargan and a small part of the territory of
Gagny to create the commune of
Le Raincy. In 1870, Clichy was affected by the
Franco-Prussian War.
Heraldry ==Crime and civil unrest==