1. On June 24, 1636, a group of settlers led by Thomas Hooker founded the settlement of Hartford. This settlement eventually became the capital city of Connecticut.

2. On June 24, 1776, a group of Continental soldiers led by General William Tryon raided Danbury, Connecticut in retaliation for the town's support of the American Revolution. The British troops destroyed a large amount of supplies and ammunition stored in the town.

3. On June 24, 1812, the United States declared war against Great Britain, initiating the War of 1812. Connecticut, along with several other New England states, opposed the war and did not fully support the federal government's military efforts.

4. On June 24, 1973, the state of Connecticut abolished the death penalty, becoming the first state to do so since the Supreme Court reinstated capital punishment in 1972. The state later reinstated the death penalty in 1981, but abolished it for good in 2012.

5. On June 24, 1974, the landmark case Connecticut v. Kulis, which challenged the constitutionality of Connecticut's statutory rape law, was decided by the U.S. Supreme Court. The court ruled that the law was discriminatory against men and violated the Equal Protection Clause of the U.S. Constitution.