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Àustria-Hongria declara la guerra a Sèrbia i comença la Primera Guerra Mundial. (28 jul 1914 año – 29 ene 1921 año)

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ByGemma Gomila Barber
3 jun 2022
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198

fecha:

28 jul 1914 año
29 ene 1921 año
~ 6 years and 6 months
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