AQA A Level History: 1G Challenge and Transformation: Britain c1851-1964 Complete set of revision notes. This set includes completed knowledge organiser PowerPoint summaries on all chapters and sections of the British AQA Paper for A-level History. This resources uses the following textbook for notes: Aisla Fortune’s Oxford AQA History A Level and AS Component 1, Challenge and Transformation: Britain c1851-1964