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821

Centuries: 8th century - 9th century - 10th century

Decades: 770s 780s 790s 800s 810s - 820s - 830s 840s 850s 860s 870s

Years: 816 817 818 819 820 - 821 - 822 823 824 825 826


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Compatible suite upgrade pattern

... Contents Compatible-suite-upgrade patternRedirected from Compatible suite upgrade pattern In software development, the compatible-suite-upgrade pattern is a particular ...