[1] In August 1916, upon Romania’s entry into World War I, Samsonovici was advanced to lieutenant colonel and made chief of staff of the 7th Infantry Division.

He was also active on the Trotuș and Uz valleys; after two weeks of heavy fighting, the Austro-Hungarian Army was prevented from taking Comănești, Dărmănești and Bacău, withdrawing into a defensive posture.

In the 1920s, he published several books related to the activity of general staffs, tactics, decisions, offensive and defensive principles.

From August 1932 to November 1933, he served as Defense Minister under Iuliu Maniu and Alexandru Vaida-Voevod.

[8] In February 1937, Samsonovici resigned from active duty, and was advanced to army corps general in 1938.

[7] Arrested in May 1950 by the early communist regime, Samsonovici died several months later at Sighet Prison.

[7][9] He was buried at the Paupers Cemetery in Sighetu Marmației, in a common grave on the banks of the Tisza River.

[10] His widow Margareta and their daughter Lucia were both arrested in April 1952, spending two years in prison.