On 27 May 1937, the Golden Gate Bridge opened to pedestrians. Cars would wait until the 28th!

On 27 May 1937, the Golden Gate Bridge opened to pedestrians. Cars would wait until the 28th!
On 25 May 1979, six-year old Etan Patz never made it to school. His became the face of missing children in the 1980s.
DST was a WWI effort. Germany was the first, in April 1916. The UK followed on 21 May 1916.