On This Day

What Happened on September 15, 1947

Day of the Week: Monday

Historical Events

  • First four-engined jet-propelled fighter plane tested, Columbus, Ohio
  • RCA releases the 12AX7 miniature dual triode vacuum tube; it is still in production
  • Typhoon Kathleen hit Tone River, Saitama and Tokyo area, killing at least 1,930 and injuring 1,750..
  • Yanks clinch pennant #15