7 March in history.

2009

A telescope to find other Earths. NASA launched the Kepler space telescope to look for planets around other stars. It went on to find thousands of them.

Wikipedia: Kepler space telescope

Photo: NASA / Wikimedia Commons (Public domain)

More from 7 March

1. 

   1876

   A patent for the telephone

   Alexander Graham Bell was granted a patent for a device that could carry the human voice along a wire.

   Wikipedia: Alexander Graham BellWikipedia: Invention of the telephone

   Photo: Unknown author / Wikimedia Commons (CC0)

2. 

   1900

   Ship-to-shore by radio

   The German liner Kaiser Wilhelm der Grosse sent a wireless message from sea to a station on land, a first for any ship. Radio at sea would go on to save many lives.

   Wikipedia: SS Kaiser Wilhelm der GrosseWikipedia: Wireless telegraphy

   Photo: A. [August] Loeffler (1865–1946), Tompkinsville, N.Y. / Wikimedia Commons (Public domain)

3. 

   1965

   Courage on the Edmund Pettus Bridge

   Peaceful marchers in Selma, Alabama, were beaten by police as they set out for Montgomery. TV pictures of the day moved the country and helped pass the Voting Rights Act.

   Wikipedia: Selma to Montgomery marchesWikipedia: Selma to Montgomery marches

   Photo: Carol M. Highsmith / Wikimedia Commons (Public domain)

4. 

   1985

   We Are the World

   Dozens of stars recorded together as USA for Africa and released a song to raise money for famine relief. It sold millions of copies.

   Wikipedia: We Are the WorldWikipedia: We Are the World

   Photo: Los Angeles Times / Wikimedia Commons (CC BY 4.0)

Moments chosen for discovery, creativity and courage. Each one links to a source where you can read more; photos are credited to their owners.