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National days, ongoing national weeks and months, and global observances for April 9, 2026. Plus historical events and birthdays.
No celebrations found.
These observances run for a full week; this calendar day falls inside the week.
These observances last the full month; this date is part of that month-long celebration.
Showing the first 12 on this date; there are more month-long observances. See the full months list for April.
International and other global observances on this date (may include days, weeks, or months).
Events that occurred on April 9 throughout history
NASA Administrator T. Keith Glennan introduces the Mercury 7 to the public. These first seven U.S. astronauts completed the exhaustive testing process that identified them as the fittest and the most ideal to travel into space. The seven astronauts were Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard and Deke Slayton.
Winston Churchill was made an honorary citizen of the United States.
The Astros play the Yankees in the first indoor baseball game at the newly completed Astrodome in Houston, Texas.
