“The hottest year in global [sic] history was 1934.”
Countdown with Keith Olbermann
2007-10-26
http://www.msnbc.msn.com/id/21528675/
2007-10-26
after NASA revealed an error in their U.S. (not global) temperature calculations; before the correction, the hottest year in U.S. history was said to be 1998
2000s