1. In 1701, the Saybrook Colony agreed to unite with the Connecticut Colony, forming the English colony of Connecticut. This union paved the way for the eventual establishment of the state of Connecticut in 1788.

2. In 1887, the Connecticut State Capitol building was dedicated in Hartford. Designed by architect Richard M. Upjohn, the building is notable for its distinctive gold dome and intricate Victorian Gothic details.

3. In 1978, Connecticut voters elected Ella T. Grasso as governor, making her the first woman in American history to be elected governor in her own right. Grasso served two terms and is remembered for her leadership during a difficult period of economic and social change in Connecticut.

4. In 2007, Connecticut became the last state in the United States to officially recognize Arbor Day, a holiday celebrating the importance of trees and their role in the environment. Today, Arbor Day is celebrated on the last Friday in April in Connecticut.

5. In 2016, Connecticut held its presidential primary on November 8th. The primary played a crucial role in determining the Democratic and Republican nominees for the 2016 presidential election, with Connecticut voters ultimately choosing Hillary Clinton and Donald Trump as their respective party nominees.