Royal Edinburgh Military Tattoo 2012 Calendar. This square format wall calendar has been produced in association with The Royal Edinburgh Military Tattoo – and features the annual series of Military tattoos performed by British Armed Forces, Commonwealth and International military bands and display teams in the Scottish capital which take place annually throughout August, as part of the Edinburgh Festival. This superb Royal Edinburgh Military Tattoo 2012 Calendar contains 12 stunning and breathtaking images of these procession performances to take you through the coming year along with full monthly calendar grids!