May 19 in history: Jean-Pierre Christin invents the Celsius thermometer and more

From USSR launches Mars 2 to Balamurali Ambati becomes the youngest doctor at the age of 17, we've got it all covered!

Let's dive in today's history.

1743

Jean-Pierre Christin invents the Celsius thermometer

(Photograph:WION)

1971

USSR launches Mars 2

(Photograph:WION)

1995

Balamurali Ambati becomes the youngest doctor at the age of 17

(Photograph:WION)

2015

Ruptured pipeline spills about 3,400 barrels of crude oil near Refugio Beach

(Photograph:WION)

2016

EgyptAir flight 804 disappears over the Mediterranean Sea

(Photograph:WION)

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