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 related resources!
Monday, January 1
In 1984 the U.S. government challenged the telecommunications company’s monopoly over the industry and forced it to break up.
Map: AT&T Coverage Map
Background: Invention of the telephone and First American Cellular Network
Activity: Read this article about monopolies. Why do you think the U.S. government wants to limit monopolies?
Wednesday, January 4
TDIGH: Euro Makes Its International Debut
Though the euro became the official currency of the European Union in 1999, today only 19 out of the 28 EU member countries use it.
Map/Visual: Countries using the euro
Background: Creation of the European Union
Activity: The euro is a reserve currency – take our Reserve Currency Quiz.
Friday, January 5
Since 2008 this day has been celebrated in the U.S. to honor birds and their role in indicating the health of an ecosystem.
Visual: North American Birds
Background: Video: NASA Electromagnetic Spectrum X-rays
Activity: Explore our Year of the Bird page and learn how you can help protect birds.
Saturday, January 6
TDIGH: Morse Demonstrates his Telegraph
By using Morse code to send signals through a cable, the telegraph made worldwide communication possible for the first time.
Map: Global Telegraph Network (1872)
Background: How events in Morse’s life may have inspired his invention
Activity: Have students use the international Morse code chart to practice sending messages to each other.
Sunday, January 7
TDIGH: Galileo Discovers Jupiter’s Moons
In 1610 the Italian astronomer discovered Jupiter’s four moons, helping disprove the theory that everything revolves around the Earth.
Visual: Jupiter and its moons
Background: What is a moon?
Activity: Use this interactive to test some of Galileo’s famous experiments.