1. In 1935, the Seattle Housing Authority was established, marking a major step forward in addressing the issue of affordable housing in the city.

2. On July 30, 1956, the world-famous floating bridge on Lake Washington opened to the public. The Evergreen Point Floating Bridge, which spans over 7,000 feet, is the longest floating bridge in the world.

3. In 1993, Washington became the first state in the country to ban discrimination based on sexual orientation. The law, which was signed on July 30 of that year, prohibited discrimination in housing, employment, and public accommodations.

4. On July 30, 2004, the Seattle Mariners set a Major League Baseball record by winning their 116th game of the season. The team went on to tie the all-time record for regular season wins, but were ultimately eliminated in the American League Championship Series.

5. In 2015, the Seattle Seahawks became the first NFL team to offer paid parental leave to both male and female employees. The groundbreaking policy went into effect on July 30 of that year, and has since been adopted by several other teams in the league.