\\[ **BT: [[history--Europe#World Wars (1914–1945)]]** ] --- # World War I (1914-18) - ↬ [1914–1918-Online: International Encyclopedia of the First World War](https://encyclopedia.1914-1918-online.net/) - ↬ [Common British Army acronyms and abbreviations of the First World War](https://www.longlongtrail.co.uk/soldiers/a-soldiers-life-1914-1918/common-british-army-acronyms-and-abbreviations-of-the-first-world-war/) - ↬ [Digitised First World War records](https://www.nationalarchives.gov.uk/first-world-war/centenary-digitised-records/) - ↬ [IMW Collections](https://www.iwm.org.uk/collections) - ↬ [Lives of the First World War](https://livesofthefirstworldwar.iwm.org.uk/) - ↬ [Operation War Diary](https://www.operationwardiary.org) - ↬ [The Guards Museum](https://theguardsmuseum.com/resources/archives-and-research/) - ↬ [The National Archives: British Army officers of the First World War](https://www.nationalarchives.gov.uk/help-with-your-research/research-guides/british-army-officers-after-1913/)