The wall was built in about 122 AD, almost 1,900 years ago. It was built at the time of Emperor Hadrian, hence the name. It was built to protect the north of England, the furthest western part of the Roman Empire] from attacks by the Scots [Picts].
10 years
around 10,000
It took five years for the black death to kill 25 million people.
It depended on how big the mosaic was and how small the pieces that were used were. Large and sophisticated mosaics built take years to make.
no
how many people did it take to build the olympic stadium
It took about 456 people to build a castle
456
1000
720,000 people
it takes 79 people to build a normal sized hose
It takes about over 500 people to build a turbine wowza!
It took over 180 people
Ten
12,000
1 at a minimum.
127