February 29 (Wikipedia) is a date that appears only during years divisible by 4 (with an integer remainder!) – apart from those divisible by 100 (but not 400) no, don't stop reading…

There are a lot of interesting notable dates, people and legal facts mentioned on the Wikipedia page, so it's quite a scroll to get to…

In this modern age Bachelor's Day doesn't retain the same importance it once had. But if you're on the edge of popping the question to the subject of your undying love, it's a heck of a day to do it.

Gloves on standby!