History
On This Day in History: April 22
Explore significant historical events, discoveries, and cultural moments that occurred on April 22.
1970
First Earth Day
The first Earth Day is celebrated, marking the birth of the modern environmental movement.
Source: Wikipedia
Disclaimer: This data is curated for educational purposes. Please verify historical facts with primary sources for academic or formal citations.
Frequently Asked Questions
What happened on April 22?
Significant events on April 22 include First Earth Day.
Where do you source the historical events for April 22?
Our historical events are curated from public domain sources like Wikipedia.
Can I see events for other dates?
Yes, you can browse our On This Day hub to find historical events for other dates throughout the year.