Microsoft plans to skip Office 13 for being “an unlucky number,” going directly from Office 12 to Office 14.

Some airplanes skip a row 13, going straight from 12 to 14.

In Scotland, there is no gate 13 in any airport, instead there is a gate 12B.

In Formula One, there is no number 13 car.

The Apollo 13 spacecraft malfunctioned after being launched on April 11th at 13:13 CST, forcing it to return to Earth without a landing on the moon and imperiling its crew.

After 13 years of being the richest man in the world, Microsoft Corporation chairman Bill Gates lost this title, according to Forbes magazine’s 2008 list of the world’s billionaires.

On the first two albums by the Avant-Garde metal band Fantômas, Track 13 has no title, is unlisted on the album cover and consists of a few seconds of silence.