The following events occurred in the 20th century:
- 1910: Mr Flowers marries Theophilia.
- 1918: Mr Flowers is killed by a shell fighting in the First World War.
- Between January 20 and February 19, 1990: Alaric Saltzman is born.
- c.1994: Mary McCullough is born to Colin and Ailsa McCullough.
- Between late September, 1995 and August, 1996: Caroline Forbes is born to Mr and Mrs Forbes.
- June 6, 1996: Meredith and Cristian Sulez are born to Fernando and Gabriella.
- August, 1996: Elena Gilbert is born to Mr and Mrs Gilbert.
- September, 1996: Bonnie McCullough is born to Colin and Ailsa McCullough.
- 1998 or 1999: Daniel Forbes is born to Mr and Mrs Forbes.
- June 6, 1999: Klaus kills Beatrisa Rodriguez, attacks Leonardo Rodriguez, and kidnaps Cristian Sulez, making Meredith a half-vampire.
B.C. era - 1st to 10th century - 11th century - 12th century - 13th century - 14th century
15th century - 16th century - 17th century - 18th century - 19th century - 20th century - 21st century