Celtic F.C. and a League Cup, but the team's performances in European competition were poor. After being eliminated from the Scottish Cup by Rangers in April 2016, Deila announced he would leave the club at the end of the season. On 20 May 2016, Brendan Rodgers was announced as Deila's successor. Despite a shock first defeat in his first game in charge, his first season saw the team go on a long unbeaten run in domestic competitions, during which time the club won their 100th major trophy, defeating Aberdeen 3–0 in the League Cup Final on 27 November 2016. Celtic also clinched
Celtic F.C. and World War I in British football that stood for a century. However, football was not as important due to the War effort; attendances fell, player's salaries were reduced and there was increased pressure to complete the fixture list. On one occasion in 1916, during their 62 match unbeaten run, Celtic had to play two matches on the same day against Raith Rovers and Motherwell, and won both 6–0 and 3–1 respectively. Recruitment drives were also held at football matches and on one occasion an exhibition of trench warfare was held at Celtic Park. Over 50 contracted and former Celtic players served in the