1. Delaware became the first state to ratify the U.S. Constitution on June 14, 1788, making it the first state to join the Union.
2. On June 14, 1937, the DuPont Company introduced nylon, a synthetic material that revolutionized the fashion and textile industries.
3. On June 14, 1995, Delaware became the last state in the U.S. to mandate seat belt use by all drivers and passengers in motor vehicles.
4. WDEL, the first commercial radio station in Delaware, began broadcasting on June 14, 1922.
5. On June 14, 2013, Delaware became the 11th state to legalize same-sex marriage, after Governor Jack Markell signed a bill into law.
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