Today in Tech History – Mar. 29, 2015

20140404-073853.jpgIn 1941 – 80% of US AM radio frequencies were reassigned to new channels as part of the North American Radio Broadcasting Agreement.

In 1945 – German soldiers blew the launch tracks for the V-1 rocket site near Letelle, Netherlands, ending the rocket attacks.

In 1974 – NASA’s Mariner 10 became the first space probe to cross the orbit of Mercury about 704 km from the surface.


Subscribe to the podcast. Like Tech History? Get the illustrated Year in Tech History at Merritt’s Books site.