1. In 1963, Johns Hopkins University's Applied Physics Laboratory launched the first successful Transit satellite, named Transit 5A-2, which played a critical role in enabling global positioning systems (GPS) on Earth.
2. In 1783, the Maryland General Assembly ratified the Treaty of Paris, marking an official end to the American Revolutionary War.
3. The Maryland Science Center, located in Baltimore, first opened its doors on December 9, 1976. The center's mission is to promote scientific literacy through hands-on exploration and discovery.
4. On December 9, 2008, Maryland became the first state in the nation to pass legislation requiring all new residential construction projects to meet environmentally sustainable standards, such as energy efficiency and green building materials.
5. In 1884, the Columbia Paper Mills was incorporated in Howard County, Maryland. The mill produced high-quality paper products, including stationery, book covers, and ledger paper, until it closed in the 1940s. Today, the location is home to the popular Merriweather Post Pavilion outdoor concert venue.
5 Fun Facts About December 9 In Maryland History
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