By the fourth day of operations the German Army had reached the Dutch capital, invested and attempted to capture the city but its forces within the city became bogged down by strong Dutch resistance.
The German Army had reached the Dutch capital. This was by the fourth day of operations. The German Army had invested. This was by the fourth day of operations. The German Army had attempted to capture the city. This was by the fourth day of operations. Its forces within the city became bogged down by strong Dutch resistance.