Thousands died in 1952 in a notorious smoggy event in this European capital
While London is known for its fog, in 
December of 1952 it became known for the "Great Smog," one of the... [DOC] [TLE] Module1-URBANAIR-Air.. - Stockholm Environment Institute [PAR] European Union's Asia Urbs programme (TH/Asia Urbs/01 (91000)).