Principal Events, 1914-1918, compiled by Henry Terence Skinner and Harry Fitz Maurice Stacke for the Historical Section of the Committee of Imperial Defence and published in London in 1922, is an authoritative chronological reference to the First World War. Part of the official History of the Great War series, it provides a carefully structured timeline of political, military, naval and air events, supported by an alphabetical index and useful appendices comparing British, French and German battle names and dates. An indispensable research tool for studying the wars complex and overlapping campaigns.