TODAY IN TECH HISTORY – March 29, 2018

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

http://archive.wired.com/thisdayintech/2011/03/0329radio-stations-shuffle-frequencies

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

https://rarehistoricalphotos.com/v-1-buzz-bomb-london-1945/

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

http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1973-085A

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