It's that time of year when Apple takes over calendars across the UK and cancels any plans on 12 July – all because of one particular anniversary: Battle of the Boyne.
While Apple's auto-fill feature can be handy for any forgotten bank holidays, some simply don't apply. England and Wales have eight public holidays. Northern Ireland is lucky enough to have an extra two to celebrate St Patrick’s Day and commemorate the Battle of the Boyne anniversary.
Hilariously, everybody appears to be in the same boat – and so, turned to Twitter: