Technology

• The world's tallest building (for the next 43 years) was constructed, opening as the Empire State Building on May 3, 1931 in New York City;
• On March 8, 1930, the first frozen foods of Clarence Birdseye were sold in Ringfield, Massachusetts, USA.
• Ub Iwerks produced the first Color Sound Cartoon in 1930, a Flip the Frog cartoon entitled: "Fiddlesticks";
• In 1930, Warner Brothers released the first All-Talking All-Color wide-screen movie, Song of the Flame; in 1930 alone, Warner Brothers released ten All-Color All-Talking feature movies in Technicolor and scores of shorts and features with color sequences;
• Air mail service across the Atlantic Ocean began;
• Radar was invented, known as RDF (Radio Direction Finding), such as in British Patent GB593017 by Robert Watt in 1938;
• The first BBC television broadcast occurred;
• In 1933, the 3M company marketed Scotch Tape; and
• In 1931, RCA Victor introduced the first long-playing phonograph record.
• In 1935, the British London and North Eastern Railway introduced the A4 Pacific, designed by Sir Nigel Gresley. Just three years later, one of these, No. 4468 Mallard, would become the fastest steam locomotive in the world.
• Nuclear fission discovered by Otto Hahn, Lise Meitner and Fritz Strassman in 1939.
• The Volkswagen Beetle, arguably the most popular automobile in the world, had its roots in Nazi Germany in the late 1930s. The car would prove to be successful, and would be produced relatively unchanged well up into the 1990s.

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