In 1926, in central Kentucky, Mammoth Cave was discovered. It dates back to Mississippian times and consists of over four hundred miles of passageway. On July 1, 1941, the cave was made a National Park.
Charles Lindbergh makes the first solo nonstop transatlantic flight in his plane The Spirit of St. Louis.
13 million people become unemployed after the Wall Street stock market crash of 1929 triggers what becomes known as the Great Depression. President Herbert Hoover rejects direct federal relief.
English: from the Middle English and Old French personal name Lorens, Laurence (Latin Laurentius ‘man from Laurentum’, a place in Italy probably named from its laurels or bay trees). The name was borne by a saint who was martyred at Rome in the 3rd century ad ; he enjoyed a considerable cult throughout Europe, with consequent popularity of the personal name (French Laurent, Italian, Spanish Lorenzo, Catalan Llorenç, Portuguese Lourenço, German Laurenz; Polish Wawrzyniec (assimilated to the Polish word wawrzyn ‘laurel’), etc.). The surname is also borne by Jews among whom it is presumably an Americanized form of one or more like-sounding Ashkenazic surnames.