The start of a new system of transportation, railroads, in the 1840's and 1850's caused the era of canals to end.
Some canals open to the sea, the Panama Canal opens to the Pacific Ocean on one end and the Atlantic on the other end.
The permian period was the end of the paleozoic era.
United States Senate Committee on Interoceanic Canals ended in 1947.
The permian period was the end of the paleozoic era.
The allowed for expanded shipping by water in an era before widespread railroads.
End of an Era was created on 2006-06-01.
There were major asteroid impacts.
The Classical era
There were major asteroid impacts.
it is cooler {apex}
There were major asteroid impacts.
Rutherford Hayes oversaw the end of the Reconstruction Era.