Heart of Midlothian started the 1914-1915 season with a 2-0 victory over Celtic after giving their all.
“They were the sporting stars of yesteryear. Captains, team-mates, local heroes. Many of them went from the playing field to the battlefields of World War One, never to return. Monday marks the 100th anniversary of Britain’s declaration of war on Germany. It was at 23:00 on 4 August 1914 that Britain entered into one of the costliest conflicts in history, and the fighting continued until 11 November 1918. Here, BBC Sport recalls some notable stories – from whole teams who joined the armed forces to a modern-day international inspired by his ancestors’ wartime deeds.” BBC

Hearts, the team that went to war for Britain
“On 4 August 1914, Britain declared war on Germany. Eleven days later a full house at Tynecastle cheered Heart of Midlothian to victory over Celtic, the defending champions beaten by the young pretenders of the Scottish game. War seemed a long way off on that summer’s afternoon; somewhere for a foreign field, not the football field.” Independent