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National days, ongoing national weeks and months, and global observances for January 18, 2026. Plus historical events and birthdays.
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 January.
International and other global observances on this date (may include days, weeks, or months).
Events that occurred on January 18 throughout history
Thomas Jefferson asks Congress to appropriate funds that would support the Corps of Discovery. At the time, Jefferson made the request secretly. Led by Captain Meriwether Lewis and Lieutenant William Clark, the expedition departed on May 14, 1804.
The first landing of an aircraft on the deck of a ship took place in San Francisco Harbor. Pilot Lt. Eugene B. Ely successfully landed his Curtiss pusher biplane safely on a 119-ft landing platform placed on the deck of the U.S.S. Pennsylvania.
The International Olympic Committee restores Jim Thorpe's gold medals after more than seventy years. In 1912, the phenomenal athlete won gold in the decathlon and pentathlon events at the Stockholm Olympics in Sweden. Six months later, the Olympic Committee stripped him of his medals because he had been paid to play baseball in 1909 and 1910. However, an Olympic rule in effect in 1912 required the committee to contest the athlete's amateur status within 30 days. January 18th Celebrated Birthdays
