english: Diocletian (Gaius Aurelius Valerius Diocletianus, approximately 245 to approximately 312) was Roman Emperor from 20 November 284 to 11 May 305.
non_english: Gaius Aurelius Valerius Diocletianus (245?–312?), ya iku Kaisar Romawi wiwit 20 November 284 - 1 Mei 305.