The decision to build a metro was made in 1941.
The political decision to build the line was taken in 1993.
The decision to build the power station was taken in 1960.
The decision to build the Pentagon was made in 1941.
The decision to build the bridge was made official in 1924.
In 1958, the decision to build a new, purpose built college was taken.
The decision to build the range lights was taken in 1909.
The decision to build the towers was made in 2009.
The decision to build the dam and the lake was taken in 1970.
The decision to build the base was made in 1921.