The earliest castle at the site of Windsor Castle was built in 1070. The oldest building still there was built in 1154. So you might say it is 940, or 856, or just say about 900.
1036 years old (2012)
it was built in 1180
dover castle was built in 1180
In Dover, England.
Stone.
Henry the 111
1168
It was not discovered, it was built
1180
go 2 google!!
Because its a good military vantage point
It was built for defence purposes! by Nina x :) x
The population of Dover castle is 28,156.
Dover Castle !
In 1777.