March 14: American π Day
- 27 AD - Greeks fight valiantly against Russell Crowe in a vast gladiatorial event to define pi as the ratio of the circumference of a circle divided by its radius.
- 435 AD - Pope Sixtus III denouces π, claiming it to be the work of Satan, as a number which never ends seems too cruel for a loving God to have made.
- 1603 - "American" Apple pie actually invented by the Aztecs, used as aphrodisiac.
- 1707 - The Physics Act of 1707 defines π to be 22/7, which scientists of the era proclaim as close enough.
- 1891 - The pie chart is first invented, sadly, the original prototype has long since been eaten. Future pie charts are now inedible.
- 2005 - The Kansas Board of Education restores pi to its traditional value of three and a bit, stating, "Certain features of the universe are best explained by an intelligent cause, not an undirected process such as mathematics."