100% verified The same day, three eras.
22 April
Contemporary era
1970
First Earth Day
On 22 April 1970, the first Earth Day was held, marking the rise of mass environmentalism.
Sources and verification (1)
- Encyclopaedia Jour de la Terre (Wikipedia) Wikipedia. 4/5
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Contemporary era
1915
First gas attack at Ypres
On 22 April 1915, the German army launched the first large-scale poison gas attack at Ypres.
Sources and verification (1)
- Encyclopaedia Seconde bataille d'Ypres (Wikipedia) Wikipedia. 4/5
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From the Middle Ages to the Enlightenment
1500
Cabral reaches Brazil
On 22 April 1500, the Portuguese navigator Pedro Alvares Cabral reached the coast of Brazil.
Sources and verification (1)
- Encyclopaedia Pedro Alvares Cabral (Wikipedia) Wikipedia. 4/5