Data manipulation to support favored models of reality over experimental observations of reality were in fact routine in the period between the end of the Second World War and the release of Climategate emails and documents (1945 - 2009). (judithcurry.com)
a year ago, when reading climategate emails, I couldn't make a lot of sense of many... but if you put them in the needed context, it all becomes very much clear... (climateaudit.org)
The highly - controversial Climategate emails leaked to the public in 2009 include a conversation between a U.S. and U.K. scientist on «correcting [sea surface temperatures] to partly explain the 1940s warming blip.» (dailycaller.com)