Here’s an advance look at some of the “This Day in Geographic History” (TDIGH) events coming up this week. For each date, we’ve matched it with a map or visual, background information, and a classroom activity so you can plan ahead.
Check out our Pinterest board for more resources!
Tuesday, April 17

Photograph by Warren K. Leffler, courtesy Library of Congres
TDIGH 1961: Bay of Pigs Invasion
The U.S.’s failed attempt to overthrow the Cuban government permanently damaged relations and pushed the island nation closer to the Soviet Union.
Background: Use this timeline of U.S.-Cuba relations to help students put the Bay of Pigs invasion in context.
Activity: Use our activity to explore how the Bay of Pigs Invasion shaped the mindset of Fidel Castro.
Thursday, April 19

Photograph from Jürgen Stroop Report to Heinrich Himmler from May 1943, courtesy United States Holocaust Memorial Museum
TDIGH 1943: Warsaw Ghetto Uprising
Jews in Warsaw, Poland created an armed resistance to oppose deportation by the Nazis.
Maps: Put the uprising in context with maps of Poland, Nazi-occupied Europe, and the Warsaw Ghetto itself.
Activity: Have students listen to personal histories of survivors of the Warsaw Ghetto Uprising. Then, use this lesson plan to discuss the significance of the uprising and other resistance movements during World War II.
Friday, April 20

Map by National Geographic
TDIGH 2010: Deepwater Horizon Explodes
The explosion of an offshore oil platform in the Gulf of Mexico is largely considered the worst environmental disaster in American history.
Maps: Zoom in on this map of offshore oil in the Gulf and download a map of its effect on the ecosystem.
Background: What were the scientific lessons learned from the spill?
Sunday, April 22

TDIGH 1970: First Earth Day
Founded by an environmentalist U.S. senator, Earth Day has evolved into a global holiday focused on protecting the Earth’s natural resources.
Background: Use our resource to help students better understand Earth Day’s history and goals.
Activity: Have students take our Earth Day Quiz! and watch these video clips to discuss how Nat Geo Explorers are protecting the planet.
Sunday, April 22

Mural by John Steuart Curry, courtesy Library of Congress
TDIGH 1889: Oklahoma Land Rush
Thousands of Americans rushed into about two million acres of unclaimed territory recently seized from “Indian Territory” by the U.S. government.
Activity: Use these terrific activities to help students discuss the real costs of “free land.”