How do I remove battle of the Boyne from my calendar

Thanks for the reply Barry.

To make it clearer, in the iPad calendar on July 12th and 14th there is a entry marked 'Battle of the Boyne'

Since I personally think this is in bad taste, I'd like to remove it, however I'm not being offered a edit choice so that I can delete it.

So the question is, how can I delete this entry?

Regards

Mike

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