This Day in People's History

Welcome to the This Day in People's History (#tdih) series. Search people’s history events by date, theme, state, or keyword.

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April 25, 1846: U.S. Mexico War Begins

Today’s border with Mexico is the product of invasion and war. Grasping some of the motives for that war and some of its immediate effects begins to provide students the kind of historical context that is crucial for thinking about the line that separates the United States and Mexico.
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Protestors at the Fridays 4 Future protest inside COP 25 in 2019 holding a sign reading "Indigenous Justice is Climate Justice."

April 24, 2009: Indigenous Peoples’ Global Summit

Indigenous representatives from around the world met in Anchorage, Alaska, in April 2009, to share experiences and strategies for confronting environmental degradation. They issued a declaration that details their observations and demands from the front lines of the climate crisis.
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A rally in New York for Earth Day, 1970.

April 22, 1970: First Earth Day

In April 1970, millions of people gathered around the country in one of the largest demonstrations in U.S. history to celebrate the first Earth Day and demand action be taken on a variety of environmental issues.
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