The last plant built in the US began construction in 1977. That's the "River Bend" plant in Lousiana.
The last nuclear reactor has not been built yet.
The electoral college
The College of William and Mary is a likely possibility.
Glenn Curtiss built the first aircraft for the US Navy in 1910.
The last rigid dirigible built in the United States was the Macon, ZR-5. Non-rigid dirigibles (blimps) are still being built, although Goodyear's Mayflower was the last one to be built by that company.
For the US Harvard University was the first one
Harvard was the first college in the US. It was built in Cambridge, Massachusetts in 1636, before the US had become an independent nation.
Gover Cleveland
360,000
Harry S. Truman
It was last built in 2005.
The last mission was built is San Francisco.
The last plant built in the US began construction in 1977. That's the "River Bend" plant in Lousiana.
about 1570 BC was the last pyramid built.
Built to Last was created on 1989-10-31.
University of Washington College of Built Environments was created in 1914.