Archibald Henry Macdonald Sinclair, 1st Viscount Thurso Bt KT CMG PC (22 October 1890 – 15 June 1970), known as Sir Archibald Sinclair, 4th Baronet from 1912 until 1952, and often as Archie Sinclair, was a Scottish politician and leader of the British Liberal Party.
Sinclair was the son of a Scottish father and an American mother. Educated at Eton College and Sandhurst, he was commissioned into the Life Guards in 1910. He served on the Western Fr...
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Archibald Henry Macdonald Sinclair, 1st Viscount Thurso Bt KT CMG PC (22 October 1890 – 15 June 1970), known as Sir Archibald Sinclair, 4th Baronet from 1912 until 1952, and often as Archie Sinclair, was a Scottish politician and leader of the British Liberal Party.
Sinclair was the son of a Scottish father and an American mother. Educated at Eton College and Sandhurst, he was commissioned into the Life Guards in 1910. He served on the Western Front during the First World War and rose to the rank of Major in the Guards Machine Gun Regiment. He served as second-in-command to Winston Churchill when Churchill commanded the 6th Battalion of the Royal Scots Fusiliers in the Ploegsteert Wood sector of the Western Front in 1915, Churchill having been disgraced after Gallipoli. They formed a lasting friendship that would become a significant political alliance in later decades. From 1919 to 1921 he served as Personal Military Secretary to Churchill when he returned to the Cabinet as Secretary...
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