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Historical & Current Events dictionary results for Earth Day

Earth Day

American  
[urth dey] / ˈɜrθ ˌdeɪ /

noun

  1. April 22, a day set aside globally for raising awareness about environmental issues and participating in events to help protect the environment.


Etymology

Origin of Earth Day

First recorded in 1970

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The so-called Refugio oil spill of 2015 evoked memories of the Santa Barbara spill of 1969, which turbocharged a nascent environmental movement and helped launch Earth Day as an annual event.

From Los Angeles Times • Apr. 21, 2026

However, upon his arrest from a homeless encampment in Chinatown — where he’d been living — Groft told officers he was surprised the arrest was occurring on Earth Day, Hidalgo testified.

From Los Angeles Times • May 8, 2025

No wonder, then, that Americans planned nationwide Earth Day protests.

From Slate • Apr. 22, 2025

Just in time for National Parks Week and Earth Day, no less.

From Slate • Apr. 22, 2025

The first Earth Day was held in April 1970.

From "The Omnivore's Dilemma" by Michael Pollan

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