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Britons are being urged to turn their lights off for an hour tonight to mark the centenary of the First World War.
The 14-18 NOW Lights Out campaign hopes people will leave a single light on between 10 and 11pm to mark the exact hour when Britain declared war on Germany.
But don't worry - the campaign's website says that light can be your TV, laptop or mobile phone.
Are you joining in the "moment of reflection"? Post your pictures on our Facebook page.
The first stately home to be offered to the war office was at Wrest Park in Silsoe in Bedfordshire
The owner, Lord Lucas was fighting. It was his sister Nan oversaw the entire operation and often the operations themselves.
The lady of the house became matron of the wards.
Latest ITV News reports
During World War One many stately homes were offered to the war Office. The first was at Wrest Park in Silsoe in Bedfordshire.