Armed Irish nationalists begin an invasion of Canada intended to force British concessions in Ireland.  Fenian infantry under Union Army veteran Colonel John O'Neill crossed the Niagara River and arrived in the early hours of the morning at Fort Erie in present-day Ontario and hoisted the Fenian flag. The following day Canadian resistance would result in the Battle of Ridgeway nearby.  (By John Osborne). 

Lietenant-General Winfield Scott, legendary army commander and presidential candidate, had died at the West Point Hotel on May 29, 1866, two weeks before his eightieth birthday.  A hero of the War of 1812, the Mexican War, the architect of Union victory in the Civil War, and an anti-slavery Virginian, the 6 foot five inch soldier was buried at the Military Academy Cemetery with full honors, many military and national dignitaries attending. (By John Osborne) 

Lietenant-General Winfield Scott, legendary army commander and presidential candidate, died at the West Point Hotel at around eleven o'clock, two weeks before his eightieth birthday.  A hero of the War of 1812, the Mexican War, and the architect of Union victory in the Civil War, the 6 foot five inch soldier was buried at the West Point Cemetery on June 1, 1866. (By John Osborne) 

The town of Newark, New Jersey was originally founded in 1666, populated by Connecticut Puritans under the leadership of Robert Treat.  The city, now the home of almost 100,000 people, celebrated its anniversary with parades and receptions.  (By John Osborne) 

James Stephens was the founder and leader of the Irish Republican Brotherhood who had escaped from a British prison the previous year and fled to France.  Despite the fractured nature of Irish nationalism at tht time, his arrival in the United States at Pier Fifty in Manhattan was met with enthusiastic crowds of Irish immigrants at the dock and at the Metropolitan Hotel where he lodged for the next few weeks. (By John Osborne)

A plain marble monument to the fallen of the Fourteenth New Hampshipe Volunteer Infantry was dedicated in a well-attended ceremony at the Soldiers' Cemetery in Winchester, Virginia.  Newly declared a national cemetery, Winchester held the graves of fifty men from the regiment, most of them killed at the 1864 Third Battle of Winchester. (By John Osborne) 

As hostilities between a Peruvian-Chilean alliance and Spain continued, a Spanish fleet under Admiral Méndez Nuñuz carried out a three hour bombardment of the port of Valparaiso in the morning. The admiral had given warning and notice and most civilians had evacuated so casualties were low, with no confirmed deaths, although damage to facilities was quite heavy. (By John Osborne)