HISTORY OF NEW YORK STOCK EXCHANGE

The New York Stock Exchange traces its origins to 1792, when 24 New York City stockbrokers and merchants signed the Buttonwood Agreement. This agreement set in motion the NYSE’s unwavering commitment to investors and issuers. Now NYSE Euronext welcomes the historic American Stock Exchange into the world’s largest and most liquid exchange group.
Originally called the "curb market" because its brokers traded outdoors in the street, the Amex has been at the forefront of the U.S. financial markets over the course of two centuries. Learn more about the American Stock Exchange’s long and colorful history. (pdf)

NYSE Euronext Merger
The historic combination of NYSEGroup and Euronext in 2007 marked a milestone for global financial markets. It brought together major marketplaces across Europe and the United States whose histories stretch back more than four centuries. The combination was by far the largest of its kind and the first to create a truly global marketplace group. Discover how NYSE Euronext grew to become the global marketplace of today.
 NYSE Euronext CorporateTimeline (pdf) 

Today in NYSE History 
15 Apr 1865 President Lincoln was assassinated. The NYSE suspended trading until Apr. 21. First and Records. Here’s a quick guide to major milestones and record-setting events at the NYSE. The New York Stock Exchange Building
Nearly 20,000 people toured it the day it opened. They were eager to see its austere architecture, symbolizing the strength and security of the NYSE, its grand spaces and its modern technology. No expense was spared to support the business of trading.

Timeline
The NYSE has a long and fascinating history. See how the NYSE has been leading the way in securities trading for over 200 years.