Earth’s Oldest Meteorite Impact Found in Australia

On January 21, 2020

A meteorite that hit Australia 2.2 billion years ago was announced as Earth’s oldest recognized meteorite impact structure.

This Day in History - January 21

1908

New York City passed a law prohibiting women from smoking in public places.

1677

A medical paper on smallpox was published in Boston, making it the first medical publication in American history.

2007

American pop singer Ariana Grande joined YouTube at 13 years old.

1921

The Mysterious Affair at Styles, by British crime writer Agatha Christie, was published in the UK.

2018

America's Rocket Lab Electron sent a rocket that uses an electric-filled pump engine into orbit, making it the first of its kind.

What Happened on Jan 21?

What Happened in 2020?