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In page Ulster Scots dialect:

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Scots, mainly Gaelic-speaking, had been settling in Ulster since the 15th century[citation needed], but large numbers of Scots-speaking Lowlanders, some 200,000, arrived during the 17th century following the 1610 Plantation, with the peak reached during the 1690s.[1] In the core areas of Scots settlement, Scots outnumbered English settlers by five or six to one.[2]