From the patristic age until the Gregorian calendar reform of 1582, computus - the science of time reckoning and art of calendar construction - was a subject of intense concern to medieval people.
číst celé
From the patristic age until the Gregorian calendar reform of 1582, computus - the science of time reckoning and art of calendar construction - was a subject of intense concern to medieval people.
schovat popis
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