Opponents of the war assembled at the Cooper Union in New York City for an evening convention.  The main meeting was held in the Union's main hall and other venues were scattered around the square outside.  Speeches were heard from former city mayor Fernando Wood, the sitting Attorney General of Delaware, Alfred Wooten, and other, mostly New York, figures prominent in the Democratic Party.  (By John Osborne)

The first American national billiards championship took place in New York City at the Irving Hall over eleven nights.  Eight players from around the country competed, with Dudley Kavenaugh of New York, who won six of his seven matches, declared national champion.  He won a gold-mounted cue and an inlaid billiard table worth around $1000, while second place finisher, Louis Fox of Rochester, New York, took home $250. (By John Osborne)  

Passengers and crew of two trains on the Camden and Amboy Railroad has a fortunate escape when their two locomotives collided near Camden in New Jersey in the evening.  One train was running late from New York but had the right of way.  The other,  a freight and passenger train, could not clear the track in time and the locomotives hit head on. Both trains suffered heavy damage but only two people were injured.  (By John Osborne)

Leaders of the New York City German community met at a large evening meeting in the Cooper Union to protest recent accusations against the German-born units of the Union Army's XI Corps of "cowardice and ill-behavior on the battlefield" during the defeat at Chancellorsville in the month before.  Citizens gave angry speeches rejecting this scapegoating and resolutions were passed to condemn the raw nativism involved and to assign blame where the meeting felt it really belonged, on the high command of the Army of the Potomac.  (By John Osborne)

The Fourteenth Annual Meeting of the American Medical Association met at the Bryan Hall in Chicago, the first gathering since 1860.  Delegates attended from sixteen states and from the Army and Navy.  Only a single delegate each from Virginia and Tennessee represented states below the Mason-Dixon Line.  Doctor Alden Marsh of New York was elected as president for the coming year with Dr. Cooper Wistar as his Treasurer. (By John Osborne)