1878 to 1944 is 66 years. 1944 to 2010 is also 66 years. Let us put those peaks in temperature (using HADCRUT4 Global) in perspective.
1944 is red. 1878 is blue. Every year of HADCRUT4 is on the graph. The temperature is the anomaly from the 1961-1990 mean in Celsius. Click for bigger.