1582 - Many Catholic countries switch to Gregorian calendar, skip 10 days. In Italy, Poland, Portugal, and Spain, October 4 of this year is followed directly by October 15.
1827 - Charles Darwin admitted to Christ's College, Cambridge
1928 - German airship Graf Zeppelin completes its first trans-Atlantic flight, landing at Lakehurst, New Jersey.
2001 - NASA's Galileo spacecraft passes within 112 miles of Jupiter's moon Io.
INTERNATIONAL DAY OF RURAL WOMEN