If anyone's looking for a new article to write, I just had this pointed out to me:
http://blog.britishnewspaperarchive.co.uk/2012/08/24/the-first-duel-fought-i...
I believe it's notable - if a little tricky to find modern sources for. There might even be a Did You Know in it.
Richard Symonds Wikimedia UK 0207 065 0992
Wikimedia UK is a Company Limited by Guarantee registered in England and Wales, Registered No. 6741827. Registered Charity No.1144513. Registered Office 4th Floor, Development House, 56-64 Leonard Street, London EC2A 4LT. United Kingdom. Wikimedia UK is the UK chapter of a global Wikimedia movement. The Wikimedia projects are run by the Wikimedia Foundation (who operate Wikipedia, amongst other projects).
*Wikimedia UK is an independent non-profit charity with no legal control over Wikipedia nor responsibility for its contents.*