Bahrain declared independence from Britain.
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The world's second oldest theme park, Tivoli Gardens, opened in Copenhagen, Denmark.
The foundations for Cologne Cathedral were laid in preparation for its construction.
Cave monastery Vardzia was blessed by Queen Tamar of Georgia.
Mainz Psalter was published, making it the first book with a printed publication date on it.
The Indian Appropriations Act added the sell or starve clause.
