The fifteenth day of January
- 588 BC: Nebuchadrezzar II of Babylon lays siege to Jerusalem under Zedekiah's reign. The siege lasts until July 18, 586 BC.
- 69: Otho seizes power in Rome, proclaiming himself Emperor of Rome, but only rules for three months before committing suicide.
- 1559: Elizabeth I of England is crowned in Westminster Abbey by Owen Oglethorpe, the Bishop of Carlisle, instead of the Archbishop of Canterbury.
- 1995: Pope John Paul II offers Mass to an estimated crowd of between four and eight million in Luneta Park, Manila, Philippines. This is the largest single event in human history.
- 1866: Nathan Söderblom, Swedish archbishop, recipient of the Nobel Peace Prize (d. 1931)
- 1918: Édouard Gagnon, Canadian Roman Catholic cardinal (d. 2007)
- 1920: John Cardinal O'Connor, American Catholic cardinal (d. 2000)
- 1953: Kent Hovind, American evangelist and Young Earth creationist.
- 69: Galba, Roman Emperor (b. 3 BC)
- 570: Saint Ita, Irish nun (b. 475)
- 1672: John Cosin, English clergyman (b. 1594)
- Monk-martyr Pansophius of Alexandria (3rd century)
- Saint Ita, hermitess in Ireland and foster-mother of Saint Brendan
- Saint Gabriel, founder of Lesnov Monastery in Bulgaria (11th century)
- Saint Maximus of Nola
- Venerable Paul of Thebes (341)
- Venerable John Calabytes (the "hut-dweller") (5th century)