Seurat 's greatest masterpiece , `` A Sunday Afternoon on the Island of La Grande Jatte '' , marked the beginning of this movement when it first made its appearance at an exhibition of the Société des Artistes Indépendants ( Salon des Indépendants ) in Paris .
Seurat 's greatest masterpiece , `` A Sunday Afternoon on the Island of La Grande Jatte '' , marked the beginning of this movement when it appeared at an exhibition of the `` Société des Artistes Indépendants '' in Paris .