What is Norman convention at bridge?
The Related Link below gives a good description of the Norman Convention and is very useful for checking out other conventions also.
London Bridge is the oldest, a bridge has been on or near the present site since Roman times. The actual bridge of course has been replaced a number of times the last in 1973. Others have included two Roman bridges, a Saxon Bridge, a Norman bridge, a medieval bridge and a 19th century bridge before the present one. The current London Bridge is often confused with Tower Bridge by tourists.
At the Constitutional Convention (aka the Philadelphia Convention or Convention of 1787), the United States Constitution was written and signed. The Constitutional Convention was also known as the Philadelphia Convention, or the Convention of 1787. This was the convention at which the Constitution of the United States was signed.