Although the Dutch King William I rejected this suggestion at first , after the stand - off had dragged on for several years , he gave way , and agreed to partition in 1839 .
Leopold agreed , and the treaty was signed on the 15 November 1831 .
Although the Dutch King William I rejected this suggestion at first , after the stand - off had dragged on for several years , Leopold gave way , and agreed to partition in 1839 .
Leopold agreed , and the treaty was signed on the 15 November 1831 .