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329:States and territories established in the 840s
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350:This list may not reflect recent changes
345:Pages in category "840s establishments"
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382:9th-century establishments
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392:Establishments by decade
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376:Categories
363:Papal Navy
333:(13 P)
235:(10 P)
313:(2 P)
300:(4 P)
287:(2 P)
274:(3 P)
261:(1 P)
248:(1 P)
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397:840s
159:14th
154:13th
149:12th
144:11th
139:10th
96:890s
91:880s
86:870s
81:860s
76:850s
71:840s
66:830s
61:820s
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51:800s
46:790s
35:840s
185:0–9
133:9th
127:8th
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