Remarkable gathering of 100,000 New Yorkers in Union Square in support of suppressing the rebellion
A massive public meeting with an unprecedented 100,000 people in attendance gathered in New York City's Union Square to demonstrate support of the Union and a determination to put down the rebellion of the seceding states. Several members of the Fort Sumter garrison were in introduced to the crowd and dozens of patriotic speeches were made from stands erected around the square. (By John Osborne)
"The Union Forever! - Immense Demonstration in this City," New York Times, April 19, 1861, p. 1.