The United Nations formed the World Health Organization (WHO).
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The UN released a report warning that 14% of Earth's species face a very high risk of extinction.
Fifty countries signed the United Nations Charter in San Francisco.
The UN Security Council holds its first session.
UNESCO recommended that Australia's Great Barrier Reef be listed as World Heritage Site 'in danger.'
The World Health Organization (WHO) announced that measles cases were at an all-time record high, with 41,000 in the first half of the year alone.
