• 153 BC – For the first time, Roman consuls begin their year in office on January 1.
• 45 BC – The Julian calendar takes … Se mere

• 766 – Ali al-Ridha, 8th Imam of Twelver Shia Islam (d. 818)
• 1431 – Pope Alexander VI (d. 1503)
• 1449 – Lorenzo de' Medici, Italian politician (d. 1492) … Se mere

• 138 – Lucius Aelius, adopted son and intended successor of Hadrian (b. 101)
• 404 – Telemachus, Christian monk and martyr
• 898 – Odo I, Frankish king (b. 860) … Se mere

• Christian feast day:
• Earliest day on which Handsel Monday can fall, while January 7 is the latest; celebrated on the first Monday of the year (Scotland)
• Second day of Hogmanay (Scotland) December 31-January 1, i… Se mere

• BBC: On This Day Archived 2006-07-06 at the Wayback Machine
• The New York Times: On This Day
• Historical Events on January 1 Archived 2020-06-22 at the Wayback Machine… Se mere