1922: The Connecticut Tree Protective Association is formed around a nucleus of 32 charter members to fill the need for educating tree workers.

1923: At the first annual meeting the CTPA Constitution is adopted, C. A. Millane is elected as first president of the infant 55 member organization.

1928: The first CTPA newsletter is published as the "Connecticut Tree Worker".

1933: Dutch elm disease is observed for the first time in Connecticut.

1938: The great hurricane destroys trees throughout Connecticut.

1939: The Great Depression results in the proliferation of small tree care companies as foremen are laid off from the few larger companies that existed at the time.

History 1904- 1919
History 1940-1959
History 1960-1980
History 1980-2004
History 2005-Present