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

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.

1677

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

1977

Hundreds of thousands of Americans who evaded the Vietnam War were pardoned by President Jimmy Carter.

2017

Over two million women worldwide marched against Trump's anti-women and offensive slews.

1990

American tennis player John McEnroe became the first player to be expelled from the Australian Open.

What Happened on Jan 21?

What Happened in 2020?