1. In 1682, the first Quakers arrived in present-day Delaware, marking the beginning of the state's significant Quaker history. William Penn, who established Pennsylvania as a sanctuary for Quakers, also held extensive land holdings in Delaware.

2. February 25th, 1859 marked the opening of Delaware's first railroad connecting Wilmington and New Castle. The Wilmington and Philadelphia Railroad Company traversed the state, and its construction had significant economic implications for Delaware.

3. Delaware became the first state to ratify the 13th Amendment, which abolished slavery in the United States, on February 12, 1865. However, it took until December of that year for the amendment to be ratified by the necessary number of states to become law.

4. February 25th, 1901 saw the beginning of work on the Chesapeake and Delaware Canal, which connects the Chesapeake Bay and the Delaware River. The canal, which opened in 1927, has played an integral role in Delaware's transportation networks and commerce.

5. On February 25th, 1987, Vice President George H.W. Bush spoke before a joint session of the Delaware General Assembly at Dover's Legislative Hall. Bush was the first sitting vice president to address the Delaware legislature, and his speech focused on the need for international cooperation in solving global issues.