Rwanda, Burundi, Jamaica, and Trinidad and Tebogo were admitted to the United Nations.
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The UN released a report warning that 14% of Earth's species face a very high risk of extinction.
Dwight D. Eisenhower gave his 'Atoms for Peace' speech at the United Nations in New York.
UNESCO recommended that Australia's Great Barrier Reef be listed as World Heritage Site 'in danger.'
The first General Assembly of the United Nations opens.
The country of Georgia joined the United Nations shortly after the country became independent.
