Daily Calendar for Thursday, July 17, 2025

Florida formally ceded by Spain to the U.S. – 1821
First photo taken of star other than Sun (Vega), Harvard College Observatory – 1850
U.S. National Cemetery Act passed – 1862
In Boston, Massachusetts, the Harvard School of Dental Medicine established as the first university-based dental school in the U.S. – 1867
Disneyland Park opened in Anaheim, California – 1955
Contact with Surveyor 4 lost 2.5 minutes before Moon touchdown – 1967
U.S. Apollo 18 and U.S.S.R. Soyuz 19 docked with each other in space marking the first such link-up between spacecrafts from the two nations – 1975
Maiden flight of B-2 stealth bomber – 1989
Two triple plays were made by the Minnesota Twins in a game against the Boston Red Sox. The Red Sox won 1-0 – 1990
Last 400 Woolworth’s department stores closed – 1997
Tsunami in Indonesia – 2006