About 200 people this morning attended a service marking the centenary of the declaration of World War I in Hobart.
Lieutenant Governor Alan Blow joined state MPs, service men and women and decedents of World War I soldiers at St Davids Cathedral.
On August 4 1914 Britain declared war on Germany and Australia's Prime Minister Andrew Fisher pledged the Australian government's full support.
A Union Jack flag carried by Katherine Mary Roberts at the head of troops on their departure and return during war featured in the service, along with the caps of nurses and soldiers.
Anglicare chief executive Chris Jones used his address to deliver a message of peace.
''To have real meaning, let each of us leave here and be more resolute to finding peace,'' Bishop Jones said.
Descendant of Private Alec Campbell, Alice Claridge, read ''Anthem for doomed youth''.
The church bells were rung at 11am as a sign of remembrance for those who died.