Mudslides and flooding in Sierra Leone’s capital Freetown claimed the lives of 1,141 people and left 3,00 without homes.
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A rainfall survey named 'It is raining plastic' announced that tiny plastic particles were found in 90% of rain samples in Colorado, US.
Singapore opened the world's first Summer Youth Olympics Games.
Congress created the Oregon Territory, which included Oregon, Washington, Idaho, and Western Montana.
SpaceX successfully launched a Dragon spacecraft carrying the first supercomputer to space.
A rainbow lasting three hours was recorded over the Gwynedd coast in Wales.