| Date | Weekday | Event |
| July 9, 1540 | Tuesday | England's King Henry VIII 6-month marriage to Anne of Cleves annulled |
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| July 9, 1595 | Sunday | Johannes Kepler discovers inscribed perfect geometric solid "construction of universe." |
| July 9, 1776 | Tuesday | Dec of Ind read aloud to Gen. Washington's troops in NY |
| July 9, 1816 | Tuesday | Argentina declares independence from Spain. |
| July 9, 1846 | Thursday | Capt Montgomery claims Yerba Buena (SF) for US |
| July 9, 1850 | Tuesday | Bab (Bah 'ยก prophet) executed in Tabriz Iran. |
| July 9, 1850 | Tuesday | Zachary Taylor 12th pres of US died in White House served 16 months |
| July 9, 1918 | Tuesday | 101 killed in worst US train wreck in Nashville Tenn |
| July 9, 1932 | Saturday | Washington Redskins (then Boston Braves) formed. |
| July 9, 1932 | Saturday | Yanks Ben Chapman hits 2 inside the park HRs tying record |
| July 9, 1933 | Sunday | Frankford Yellowjackets sold rechristened Philadelphia Eagles. |
| July 9, 1951 | Monday | Pres Truman asked Congress to formally end state of war with Germany |
| July 9, 1953 | Thursday | 1st helicopter passenger service NY city |
| July 9, 1957 | Tuesday | Announcement of discovery of element 102 - nobelium |
| July 9, 1976 | Friday | Uganda asks UN to condemn Israeli hostage rescue raid on Entebbe |
| July 9, 1979 | Monday | Voyager 2 flies past Jupiter. |
| July 9, 1980 | Wednesday | Walt Disney's "The Fox & The Hound" is released |