Reuters historical calendar - May 12
London, May 11 (Reuters) Following are some of the major events to have occurred on May 12 since 1900: 1926 - Norwegian Roald Amundsen, Italian Umberto Nobile and American Lincoln Ellsworth crossed the North Pole in an airship.
1926 - Jozef Pilsudski led a successful military coup in Poland.
1943 - The German commander in North Africa, General von Arnim, surrendered in World War Two.
1949 - The Russian blockade of Berlin officially ended after 11 months.
REUTERS SRS RN1252