https://youtu.be/uvUQcr3kQek
https://youtu.be/LgMvz1gp-QI
1893 - Great Northern Railway connects Seattle with the east coast.
https://youtu.be/5dMJtlNJXWs
https://www.youtube.com/watch?v=khsD82s33lw
1933 - Work on Golden Gate Bridge begins, starting on the Marin County side.
https://youtube.com/watch?v=aseHL1rzfb0
https://youtu.be/CEgRRmYzFl4
https://youtu.be/_q4NMQ20URY
https://youtu.be/_bSQTQzHx9c