On May 22, 1915, the Lassen Peak volcano in Northern California exploded, devastating nearby areas but causing no deaths.
In 1939, the foreign ministers of Germany and Italy, Joachim von Ribbentrop and Galeazzo Ciano, signed a “Pact of Steel” committing the two countries to a military alliance.
In 1960, an earthquake of magnitude 9.5, the strongest ever measured, struck southern Chile, claiming a reported 1,655 lives.
In 1962, Continental Airlines Flight 11, en route from Chicago to Kansas City, Missouri, crashed after a bomb apparently brought on board by a passenger exploded, killing all 45 occupants of the Boeing 707.
In 1964, President Lyndon B. Johnson outlined the goals of his “Great Society,” saying that it “rests on abundance and liberty for all” and “demands an end to poverty and racial injustice.”