Year 247 (CCXLVII) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Philippus and Severus (or, less frequently, year 1000 Ab urbe condita). The denomination 247 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

• Rome becomes 1,000 years old. The 1,000th anniversary is commemorated with the Ludi Saeculares festivals, celebrated throughout the Roman Empire.
• Marcus Julius Philippus Augustus and his 10-year-old son Marcus Julius Philippus Caesar become Roman Consuls.
• The Goths appear on the lower Danube frontier; they invade Ukraine and Romania.
• Emperor Philip the Arab marks the millennium of Rome by holding the Ludi Saeculares.
• The last of the two Councils of Arabia in the Roman Christian Church is held in Bostra, Arabia Petraea.

• Himiko of Yamataikoku, in Japan, begins a war against King Himikoku of Kunukoku.^[1]
• Cheomhae becomes king of the Korean kingdom of Silla.^[2]

• Pan Yue, Chinese poet and writer of the Jin Dynasty (d. 300)^[3]
• Prisca, Roman empress and wife of Diocletian (d. 315)

• Abba Arikha, Babylonian Jewish scholar and rabbi (b. 175)
• Bu Zhi (or Zishan), Chinese general, official and statesman^[4]
• Xiang Lang (or Juda), Chinese general, official and politician
• Zhang Chunhua, wife of Sima Yi, regent of the Cao Wei state (b. 189)