Births on January 25

Ernst Alexanderson

Born on January 25, 1878

Ernst Alexanderson, Swedish-American engineer (d. 1975)

Ernst Frederick Werner Alexanderson (January 25, 1878 – May 14, 1975) was a Swedish-American electrical engineer, who was a pioneer in radio and television development. He invented the Alexanderson alternator, an early radio transmitter used between 1906 and the 1930s for longwave long distance radio transmission. Alexanderson also created the amplidyne, a direct current amplifier used during the Second World War for controlling anti-aircraft guns.

References

Ernst Alexanderson

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Events on 1878

18 Feb

Lincoln County War
John Tunstall is murdered by outlaw Jesse Evans, sparking the Lincoln County War in Lincoln County, New Mexico.
3 Mar

Treaty of San Stefano
The Russo-Turkish War ends with Bulgaria regaining its independence from the Ottoman Empire according to the Treaty of San Stefano; a few months afterwards the Congress of Berlin stripped its status to a vassal principality of the Ottoman Empire.
25 May

Comic opera
Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
15 Jun

Sallie Gardner at a Gallop
Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures.
22 Oct

Salford, Greater Manchester
The first rugby match under floodlights takes place in Salford, between Broughton and Swinton.

Births on January 25

Ernst Alexanderson

Born on January 25, 1878

References

Choose Another Date

Events on 1878

Lincoln County War

Treaty of San Stefano

Comic opera

Sallie Gardner at a Gallop

Salford, Greater Manchester