1. 
   Oak Apple Day
   Oak Apple Day or Royal Oak Day was a holiday celebrated in England on 29 May to commemorate the restoration of the English monarchy, in May 1660. In some parts of the country, the day was also known as Shick Shack Day, Oak and Nettle Day or Arbor Tree Day. In 1660, Parliament declared 29 May a publ...
   Found op http://en.wikipedia.org/wiki/Oak_Apple_Day
   
   
2. 
   Oak-Apple Day
   Oak-apple Day, on May the 29th, is the anniversary of the Restoration in 1660, and was formerly commemorated by the wearing of oak apples or oak leaves, recalling the Boscobel oak in which Charles II hid after the battle of Worcester.
   Found op http://www.probertencyclopaedia.com/browse/AO.HTM
   
   

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