Immemorial may refer to:
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Time immemorial
Time immemorial () is a phrase meaning time extending beyond the reach of memory, record, or tradition, indefinitely ancient, "ancient beyond memory or record". The phrase is used in legally significant contexts as well as in common parlance.
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Immemorial nobility
(, German: "ancient nobility"; adjective or ) is a genealogical term introduced in late 18th-century Germany to distinguish those families whose noble rank can be traced to the 14th century or earlier. The word stands opposed to ''Briefadel'', ...
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