1. In 1952, the Seattle Mariners baseball team played their first-ever game in the Pacific Northwest, beating the Vancouver Capilanos 7-5 at Sicks' Stadium.

2. In 1975, the Washington Monument in D.C. was reopened to the public after undergoing two years of extensive repairs due to damage caused by the 1973 earthquake.

3. In 1987, the Washington State Legislature prohibited smoking in public buildings and enclosed workplaces across the state, making Washington one of the first states to pass a comprehensive anti-smoking law.

4. In 1996, the U.S. Supreme Court ruled in Romer v. Evans that a Colorado law that banned protections for gays and lesbians violated the U.S. Constitution's equal protection clause, a major milestone in the struggle for LGBTQ rights.

5. In 2015, the U.S. Supreme Court handed down its ruling in Obergefell v. Hodges, legalizing same-sex marriage across all 50 states, including Washington. The decision was celebrated by LGBTQ activists in Washington and across the country as a historic victory for civil rights.