1848- New Haven Railroad opens.
https://www.youtube.com/watch?v=yExeWpZmKYs
https://www.youtube.com/watch?v=M6DP9sQMrBc
https://www.youtube.com/watch?v=OnisBsZXdSM
https://www.youtube.com/watch?v=ztXuvx6KGYU
2003- Construction begins on the Beijing National Aquatics Center in China.
https://www.youtube.com/watch?v=5Mts9GGv3gk
https://www.youtube.com/watch?v=W1HLITBKxGY
https://www.youtube.com/watch?v=4E-uuvuDX2E
https://www.youtube.com/watch?v=iT1rxNCNZME