1. In 1965, President Lyndon B. Johnson signed the Medicare Bill into law, providing health insurance for people over the age of 65 in Washington and across the United States.

2. On July 29, 1991, rock band Nirvana released their second studio album, "Nevermind," which went on to become one of the most iconic and influential albums of the 1990s grunge era.

3. In 1988, the U.S. Senate approved the nomination of Douglas H. Ginsburg to the Supreme Court, only to have him withdraw his name from consideration after it was revealed that he had used marijuana while serving as a law professor at Washington University.

4. On July 29, 2004, the Washington State Legislature passed the Seattle Mariners Stadium Financing and Taxpayer Protection Act, which provided public funding for Safeco Field, the home stadium of the Seattle Mariners baseball team.

5. In 1851, the first commercial salmon cannery in Washington state was established on the banks of the Columbia River by entrepreneur Hume Smith. This industry would go on to become an important source of employment and economic growth for the region.