| 1. | It was an important early city of the Grand Duchy of Lithuania.
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| 2. | The city became part of the Grand Duchy of Baden in 1806.
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| 3. | Before the World War I, Finland was a Grand Duchy of Russia.
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| 4. | Since the XIII century is part of the Grand Duchy of Lithuania.
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| 5. | It was part of Grand Duchy of Warsaw between 1807 and 1815.
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| 6. | It was ruled by Grand Duchy of Lithuania between 1360 and 1508.
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| 7. | His branch of the House of Nassau still governs the Grand Duchy.
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| 8. | He was a benefactor of many catholic churches in the Grand Duchy.
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| 9. | They formed the basis of the legal system of the Grand Duchy.
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| 10. | In 1810 Stockach finally fell to the Grand Duchy of Baden.
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