1698- Thomas Savery patents the first steam engine.
https://youtu.be/stY7SCJ1QsE
https://youtu.be/1UVD-UyZ6qw
2000- The rail and motorway bridge, Øresund Bridge, opens in Sweden.
https://youtu.be/C5oMzM7vdBo
https://youtu.be/csWma9W-T-w
2006- Inauguration of the Qinghai-Tibet Railway.
https://youtu.be/9GERFJLGINY
https://youtu.be/2i3xJgmUy9k
https://youtu.be/eyr-eHilZUc