<unk> <unk> <unk> <unk> 1839). When the southern provinces of the newly formed kingdom
<unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ However, neither the Dutch nor the Belgians agreed to this and the arrangement was not implemented until the 1839 Treaty of London. During this period of isolation Maastricht developed into an early industrial town.