Claim: Marid Castle is a historic military fortress that dates back in the first century AD and was originally rectangular in shape.
Evidence: Marid Castle (or Marid balance) is a historic military fortress located in the city of Dumat Al-Jandal in the Al-Jawf region, about 50 km away from Sakaka . It dates back to the first century AD, and the oldest mention of it dates back to the third century AD when the Queen Zenobia (240 - 274) invaded Dumat al-Jandal and Tayma, and she could not storm the fortress. The castle is originally rectangular but now oval in shape, and it can be accessed from two main entrances, one in the south of the castle and the other in the north next to the tower.