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In page 1919 in aviation:
"*August 23 – With the Polish head of state, Marshal Józef Piłsudski, looking on, the first aircraft built in a free Poland – a CWL Słowik, a copy of the German Hannover CL.II – crashes during a public ceremonial flight due to faulty bracing wires, killing its two crewmen. The aircraft's constructor, Karol Słowik, is one of the dead.[13] * August 25 – The first regularly scheduled airline service between London and Paris begins,[14] with the British Aircraft Transport and Travel company flying a de Havilland DH.16 between Hounslow Heath Aerodrome and Paris - Le Bourget Airport.
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