China finished building the world’s largest radio telescope at 1,640 feet (500 meters) long.
Source
Sequoia National Park was established in the Sierra Nevada region of California, USA, by the National park service.
David Attenborough gained one million followers on Instagram within 4 hours and 45 minutes of his first post.
Schools shut down in Singapore due to air pollution from farming practices in Indonesia.
The Mozambican War of Independence against Portugal began.
Selena Gomez achieved a world record for being the first person to reach 100 million followers on Instagram.
