National Bug Busting Day http://www.chc.org/for-schools/#natdays
Also National Picnic week http://www.nationalpicnicweek.co.uk/?q=about
Britain’s annual national beer day https://www.beerdaybritain.co.uk
1215 King John of England put his seal to the Magna Carta, which can be seen in the British Library. It stated that the King had to follow laws, and that subjects of his kingdom were protected by individual laws.