International Optimist Day is celebrated worldwide on the first Thursday in February. Established by Optimist International, the day promotes the organization's values and efforts to enhance the well-being of children and youth through community service. The first Optimist Club was founded in Buffalo, New York, in 1911, and the association of Optimist Clubs was formed in 1919. The day was officially recognized in Quebec in 2013, and the first Thursday of February was designated as Optimist Day across the organization. On this day, members of Optimist International highlight their contributions by wearing clothing featuring the Optimist logo and organizing local events. Many local governments also issue proclamations in honor of the day, recognizing volunteers who contribute to building a hopeful future. Activities that inspire optimism and community engagement are encouraged to honor this observance.