On Wed, 28 Oct 2009 19:08:42 GMT, The Medway Handyman wrote:

So why did the Thames freeze over 200 years ago then?

Bloody volcano IIRC. Krakatoa?

1883 - 83 years after.

Tambora and others gave the world "The year without a summer" but
that was 1816.

http://en.wikipedia.org/wiki/Year_Without_a_Summer

Interesting graph, general cooling until the mid 1800's then rather
rapid warming...

--
Cheers
Dave.