Ptolemy or optical factors and those caused by judgmental factors. He offered an obscure explanation of the sun or moon illusion (the enlarged apparent size on the horizon) based on the difficulty of looking upwards. There are several characters or items named after Ptolemy, including: [[File:Ptolemaeus - Quadripartitum, 1622 - 4658973.tif|thumb|"Quadripartitum", 1622]] [[Category:Ptolemy| ]] [[Category:100 births]] [[Category:170 deaths]] [[Category:1st-century Romans]] [[Category:2nd-century Romans]] [[Category:2nd-century philosophers]] [[Category:2nd-century poets]] [[Category:Egyptian calendar]] [[Category:Ancient Greek astrologers]] [[Category:Ancient Greek astronomers]] [[Category:Ancient Greek mathematicians]] [[Category:Ancient Greek music theorists]] [[Category:Astrological writers]] [[Category:Claudii]] [[Category:Egyptian astronomers]] [[Category:Egyptian mathematicians]] [[Category:Epigrammatists of the Greek Anthology]] [[Category:2nd-century people of Roman Egypt]] [[Category:Ancient Greek geographers]]
Dardania (Roman province) Dardanian slaves or freedmen at the time of the Roman conquest were clearly of Paleo-Balkan origin, according to their personal names, noted as being mostly of the "Central-Dalmatian type". Dardania was Romanized early on. After the Roman conquest, the pre-Roman Dardania eventually was organized into the Moesia province. During the reign of Domitian (81–96), in 86, Moesia was subdivided into Upper and Lower Moesia (Moesia Superior and Moesia Inferior). The old name of Dardania was used for a new province part of Moesia Superior. Ptolemy (100–170) calls Dardania a special district of Moesia Superior. The Diocese of Moesia was a