Transgender people were no longer allowed to use public toilets after Obama’s rule was rebuked by Donald Trump.
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NASA's Spitzer Space Telescope discovered a star with seven Earth-sized planets orbiting it.
The first cloned animal from an adult animal cell was announced.
The Caribbean island state of Saint Lucia gained its independence from the United Kingdom.
The UK's biggest robbery happened, where at least six thieves stole £53 million.
Dubai's stunning Museum of the Future officially opened with a light show performance for its visitors.
