rebels in the Netherlands. A Bronze Age astronomical observatory was constructed there around 1900 BC and continuously served the nearby community that lived there until about 700 BC. The central space was used to observe the rising of the sun and full moon. Three markings locate sunrise at the summer and winter solstices and at the two equinoxes. Four more give the minimum and maximum declinations of the full moon: in summer, and in winter. Two measure the lengths of lunar months. Its importance resides in two facts. During the Post-Classic period in Yucatán a third system was in use. The origin of the word Hispania is much disputed and the evidence for the various speculations are based merely upon what are at best mere resemblances, likely to