Earth Day
Americannoun
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.
There was some concern about his mental health and whether his mental state had played a role, particularly after he told officers he was surprised that they were arresting him around Earth Day, and professed his affinity for trees.
From Los Angeles Times
A single Martian day lasts about 40 minutes longer than an Earth day, and a Martian year stretches across 687 Earth days compared with 365 days on Earth.
From Science Daily
I am not just talking about obvious events like Thanksgiving, Christmas and the Fourth of July, but even lower-profile occasions like Flag Day or Earth Day, or celebrations that lay outside my ethnic group’s traditions, like Cinco de Mayo.
Those two events helped spark the first Earth Day, in 1970, and the shutdown of America’s last whaling station in 1971.
From Los Angeles Times
The environmental group has been conducting habitat restoration in the reserve since 2019, with this weekend’s event also a late celebration of Earth Day, after a prior event was rained out.
From Los Angeles Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.