Wikipedia:Selected anniversaries/July 25
- 1261 – Nicaean–Latin wars: Alexios Strategopoulos led Nicaean forces to recapture Constantinople, leading to the re-establishment of the Byzantine Empire and the end of the Latin Empire.
- 1788 – Mozart completed his Symphony No. 40, one of his two extant minor-key symphonies.
- 1893 – The Corinth Canal (pictured), which bisects Greece's narrow Isthmus of Corinth, was formally opened, connecting the Ionian Sea's Gulf of Corinth with the Aegean Sea's Saronic Gulf.
- 2000 – Air France Flight 4590, a Concorde en route from Paris to New York, crashed in Gonesse, France, killing all 109 passengers on board and four people on the ground.
- 2010 – WikiLeaks published 75,000 classified documents about the War in Afghanistan in one of the largest leaks in U.S. military history.