Question: Did the king from Arturus Rex have his origins in Mesopotamia?, Answer:No, Description of King Arthur: legendary British leader of the late 5th and early 6th centuries, Fact1: Arturus Rex is the Latinization of King Arthur., Fact2: The first records of King Arthur are from Historia Brittonum, a 9th-century Latin historical compilation., Fact3: Records of King Arthur are found exclusively in the Britsh Isles., Fact4: Mesopotamia is not part of the British Isles.
Step1: Which king is referred to as Arturus rex?, Step2: Where did #1 originate from?, Step3: Is #2 the same as Mesopotamia?, Wikipedia page for step 1: King Arthur, Wikipedia page for step 2: King Arthur, Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False