So apparently 100 years ago two men went round the world on a Henderson motorbike :notworthy One of them was CS Clancy and there is a centenary bike run to commemorate the event - all riders are, apparently, welcome.
I've attached links for the information:
http://www.horizonsunlimited.com/clancy (http://www.horizonsunlimited.com/clancy)
http://www.s105262656.websitehome.co.uk/forum/29-meets-a-runs/168874-cs-clancy-centenary-run.html (http://www.s105262656.websitehome.co.uk/forum/29-meets-a-runs/168874-cs-clancy-centenary-run.html)