Shared birthdays and chance meetings, etc

I was told about your site when I met an old work colleague that I hadn't seen for 10 years taking water samples by the River Wylye which is not that remarkable. Of more interest may be: My wife and I share the same birthday, and her father and my father likewise. At a Christmas dinner in Salisbury in the '80s, a colleague's wife turned out to be someone that lived next door to me and was a child playmate in Belfast 30 years earlier. I could always remember the house number as it was 365. When we visited a very remote village in Tunisia, we met another work colleague and his wife walking down the street. On a day-trip to the Atlas Mountains in Morocco our local guide turned out to know a good school friend who had started a Moroccan travel company. When touring in a camper-van round Australia, we first met a Dutch family in the Blue Mountains. They went off into the interior and we went round the coast. We found them again in a camp site at Phillip Island near Melbourne. From there they went inland to the Grampians and we went a completely different route and again we met them in a camp-site at Mount Gambier on the way to Adelaide. At no point had we discussed our detailed itineraries. When in a shop in Wilton, near Salisbury, a young girl was tugging at the coat of another lady by mistake. Her real mother turned out to be an old girl friend from Ipswich that I hadn't seen for nearly 20 years. I hope some of the above is of interest. Dave