I'm not aware there's a thread to cover this annual event which has had mixed support from Royals over the years. I came across this interesting report
ESPN - Wimbledon a hotbed for tradition - Tennis
I thought it might be a place to post pictures of Royals who have sat in the Royal box over the years. One of the best years seems to have been 1981 when Grace,Rainier, Albert & Stephanie paid a visit to the Women's finals. Diana was also in the box that day along with the Kents .
Prince Albert Lady Diana Wimbledon (From PA Photos)
I note Kate was in the crowd on Cenre Court on Saturday (but not in the Royal Box) YET
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Kate Middleton at Wimbledon Photos » British Royal Wedding