stuff from may 31 according to wikipedia
Big Ben Starts keeping time.
The last Ford Model T rolls off the assembly line after a production run of 15,007,003 vehicles.
In accordance with the Uniform Monday Holiday Act passed by the U.S. Congress in 1968, observation of Memorial Day occurs on the last Monday in May for the first time, rather than on the traditional Memorial Day of May 30.
it is also world no tobacco day