The Basel Tattoo parade, with an estimated 125,000 visitors, is considered the largest event.

[1] The Basel Tattoo was started in 2006 by the local Top Secret Drum Corps.

[2][3] The event is now sponsored by the Swiss Federal Department of Defence, Civil Protection and Sport (DDPS), making it the official military tattoo of Switzerland.

[7] In 2015, 15 arena performances in nine days will feature 30 performing acts from Switzerland, Australia, Canada, Germany, Ireland, Italy, New Zealand, Oman, South Africa, South Korea, the United Kingdom (groups from England and Scotland) and the United States.

The eleventh annual Basel Tattoo had 30 formations from five continents giving 15 performances over nine days.