-
Period: to
The U.S.A. starts to build the Panama Canal
-
William Crawford Gorgas is hired by the U.S.A. to exterminate mosquitoes.
-
The United States hires William Crawford Gorgas
-
Yellow fever is almost completely eradicated.
-
Work begins on the canal locks.
-
Work begins on the canal's locks
-
The locks are finished
-
The Panama Canal officially opens to the public