6 GCSE History resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE SubjectClear filter History Exam board AQA TopicClear filter why did war break out in 1914 Resources Grid Timeline history GCSE, History Grid history GCSE, History Grid history GCSE, History Grid history GCSE, History Grid history GCSE, History Grid history GCSE, History Grid Search again