was a youth of fifteen when he
came to he
United States in 1851 with his
father József Majthényi, a prominent politician before and during the War of Liberation.
Settling initially in New Buda, the Hungarian colony in Decatur County, Iowa, they soon moved to the more civilized environs of Davenport.
At the commencement of the Civil War, Majtheny joined the 2nd Iowa Volunteer Infantry Regiment, becoming a sergeant.
While stationed in St. Louis in August 1861 he
transferred to Fremont's Body Guard.
The following month he was appointed second lieutenant and adjutant.
was the only Hungarian besides Zagonyi to participate in the famous cavalry charge at Springfield, Missouri, on October 25, 1861.
Majtheny continued his military career after the Civil War; he was appointed a second lieutenant in the 6th US Cavalry in February 1866 and was promoted to first lieutenant on October 20 of that year.
Two years later, on December 23, 1868, Majtheny
resigned from the army.
returned to Hungary with his