1125? - Old St Peters Church was built at
1157 - a Castle was recorded as having been
built at Thurso for the Earls of Orkney and
Caithness. These Early Earls
were Norse with Scots Kings allowing them to
control the area.
1260s - King Alexander III began forcing the
Vikings out of Scotland, Western Isles, and
later the Orkney Isles.
1379 - the Sinclairs
become Earls of Orkney and Caithness, with the
first Sinclairs being part Norse, part
1472 - Scotland gained control of the
Islands, ending Viking rule.
1500s - the Castle at Thurso was destroyed
1649 - Irish led by Donald Macalister
Mullach, attacked Thurso but were defeated in
Battle by locals led by Sir James Sinclair.
Mullach was Killed in the Battle.
1872 - a new Castle was built at Thurso for
the Sinclairs, Earls of Caithness.
1874 - the Railway reached Thurso, linking
the Town to Inverness, and from there, the rest
of the UK.
1952 - Thurso Castle
was noted as being in Ruin.
1955 - the Dounreay
Nuclear Power Station was built 10 miles west
1994 - the Dounreay Power Station had its
last Electricity Reactor closed down.
2015 - the last Military Reactor at Dounreay
was closed down. The Site is now being
Monitored and Maintained.