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Im not sure if I understand the question... but conocer means to be familiar with (places and people) and saber means to know facts and information.
But for "llena los espacios con las respuestas correctas" means fill in the blanks with the right answers.
It seems to be the early eleventh century, because it only lasted 102 years(<span>929 to 1031) but if I am wrong I am so sorry. But I think I am right.</span>