Schools shut down in Singapore due to air pollution from farming practices in Indonesia.
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Henry Ford changed employees' working schedules to 8-hour days, 5 days a week.
Selena Gomez achieved a world record for being the first person to reach 100 million followers on Instagram.
China finished building the world's largest radio telescope at 1,640 feet (500 meters) long.
The US congress proposed the addition of twelve changes to the US Constitution.
NASA launched the Mars Observer, a space probe designed to study Mars' geology and climate.
