Separation Day refers to different holidays celebrating a territory or country's separation:
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Separation Day (Delaware), the 1776 separation of Delaware from Pennsylvania
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Separation of Queensland
The Separation of Queensland was an event in 1859 in which the land that forms the present-day state of Queensland in Australia was excised from the Colony of New South Wales and proclaimed as a separate crown colony.
History
European settlemen ...
, the 1859 separation of Queensland from New South Wales
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Secession of Panama from Colombia
The secession of Panama from Colombia was formalized on 3 November 1903, with the establishment of the Republic of Panama and the Costa Rica-Panama border, abolition of the Colombia-Costa Rica border. From the Independence of Panama from Spain i ...
, the 1903 separation of Panama from Colombia
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