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AD 24 (XXIV) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Cethegus and Varro (or, less frequently, year 777 Ab urbe condita). The denomination AD 24 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.

• June 30 – The termus of Servius Cornelius Cethegus and Lucius Visellius Varro as Roman consuls expire.^[1] During their terms, two laws pertaining to slavery had been passed, the lex Visellia de iure Quiritium Latinorum qui inter vigiles militaverant granting freed slaves Roman citizenship after six years service, and the Lex Visellia de poenis libertinorum qui ingenuorum honores usurpabant which penalized non-citizens who falsely claimed to be ingenui or freeborn Romans.^[2]
• July 1 – Midway through the Roman year 777 A.U.C., Gaius Calpurnius Aviola and Publius Lentulus Scipio begin the new consular year as the new consuls.
• The Roman war against Numidia and Mauretania ends with the annexation of the two African kingdoms.
• The revolt of Tacfarinas revolt in Africa is repressed.

• The Senate expels actors from Rome.

  The factual accuracy of part of this article is disputed. The dispute is about At least if quoted correctly here Tacitus 4.14 says this event took place in AD 23.. Please help to ensure that disputed statements are reliably sourced. See the relevant discussion on the [[Talk:AD 24#At least if quoted correctly here Tacitus 4.14 says this event took place in AD 23.|talk page]]. (July 2024) (Learn how and when to remove this message)

• In the Kingdom of Silla, which compromises most of the eastern Korean peninsula, Yuri of the House of Park becomes the new monarch (the chachaung). King Yuri takes the throne at the capital, Seorabeo (now Gyeongju in South Korea) upon the death of his father, King Namhae.

• King Yuri ascends to the throne as ruler of Silla (Korea).^[3]

• The Masinissa line of the rulers of Carthage ends.

• Gaius Silius, Roman general and consul
• Lucius Calpurnius Piso, Roman consul
• Namhae, king of Silla^[3]
• Strabo, Greek geographer and historian
• Tacfarinas, Numidian military leader
• Wang Lang, Chinese emperor