The first church at the site was built before 1339 and stood until 1820.
The first church on the site was built before 1786.
It is thought to have been built before the end of the 15th century.
Of the single family homes 23 were built before 1919.
The original house on the site is thought to have been built before 1579.
A fourth line is not expected to be built before 2020.
So the ship could not have been built before 1445.
The house - which was built in 1870, a year before the Chicago fire - has been through some hard times.
Plants built before 1970 do not have to meet the current standards.
In general, just buildings built before 1940 will be included.
Located near the city's center, the structure had been built more than a century before.
"No one has built one before, so we'll have to figure out how to use it."
Built over a century before, the house was small to modern eyes, the rooms cramped, the windows few and high off the floor.
The house had been built ten years before.
Structurally independent, it could be built before, during or after the development of the studios.
"We are looking to build laboratories that have never been built for schools before," he said.
Her upper works were still in good condition despite having been built some 52 years before.
The bridge, nearly a third of a mile long, had been built more than six centuries before.
"You've never built a shed out of logs before, have you?"
A nearby stone manor house was built about a century before.