1945: The chamber urges businesses to remain closed on Aug. 15 in celebration of V-J Day.
1946: Champlain College opens but its 30 staff members and families can't find enough housing, and the chamber asks housing owners to register sites.
1952: The chamber tries to bring together a community divided between wanting an Air Force Base but fearing it will mean the loss of Champlain College.
1955: Talks are under way to develop an industrial park to attract Canadian businesses.
1957: The Parking Committee helps establish a new 125-car parking lot in the city.
1959: The first St. Patrick's Day Irishman of the Year Breakfast is hosted by the chamber.
1961: The chamber and Plattsburgh officials agree to form the Champlain Development Corp. (which evolved into what is today The Development Corporation) to provide funds to promote economic development.
A few times during that 50 years, the chamber almost dissolved. But the perseverance of business leaders who knew its potential community impact kept it alive and growing.
Now it is one of the strongest and most influential chambers in New York state. That's a nice century of progress.