General U.S. Grant and his family arrived at the United States Military Academy from New York City on the Hudson River steamer Henry Burden in time for lunch with the School Superintendent at the West Point Hotel.  In the afternoon he visited classes in session and later the assembled Corps of Cadets passed in review in his honor.  He is reported to have shaken hands and spoken with every West Pointer from the class of 1865.  (By John Osborne)  

The sixteenth annual regatta of the New York Yacht Club was held with an ocean race on its usual course from Owl's Head , Long Island out to the lightship off the coast and back. The yachts Magic and Annie won the first and second prizes.   The Club had raced each year of the Civil War except 1861 when the regatta was suspended.  (By John Osborne)

Much of the town of Mobile, Alabama was devastated in a massive explosion of an reported twenty tons of gunpowder and numerous artillery shells, largely captured in the recent Union occupation, at Marshall's Warehouse at Lipscomb and Commercial Streets in the city. The blast left a massive crater that remained visible for years.  The accidental explosion then set off fires that burned much of the northern section of the town.  The disaster killed an estimated three hundred people and injured scores of others.  (By John Osborne)