On 13 April 1892 , a third of the territory of Neuilly - sur - Marne was detached .
On 13 April 1892 , a third of the territory of Neuilly - sur - Marne became the commune of Neuilly - Plaisance .
On 13 April 1892 , a third of the territory of Neuilly - sur - Marne was detached and became the commune of Neuilly - Plaisance .