YearrooWhen was the first Earth Day?
197020th century · 1900s
The first Earth Day.
About 20 million Americans took part.
1970
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Around the same time
- When did humans first walk on the Moon?1969
- When was the Woodstock music festival?1969
- When was the first message sent over ARPANET, the internet's ancestor?1969
- When did the Beatles break up?1970
- When was the first email sent?1971
- When did Intel release the first microprocessor?1971
- When did the first Starbucks open?1971
- When did Walt Disney World open in Florida?1971
Some events played out over months or years, so we use the year they are best known for. Spotted a mistake? Email [email protected].