Dumitrescu was born in Dobridor, Dolj.
He began his military training at the Artillery and Engineers Officers' School in 1901, graduating in 1903 with the rank of second lieutenant.
Dumitrescu was promoted to lieutenant in 1906 and, five years later, to captain.
That year, he was admitted into the Military Academy at Bucharest, graduating in 1913.

When World War I started, Dumitrescu was a major.
Following the war, he climbed higher and higher in the military hierarchy, becoming a lieutenant colonel in 1920, a brigadier in 1930 and a major general in 1937.
Between 1937 and the beginning of World War II, Dumitrescu served as a military attaché in both Paris and Brussels.
After returning to Romania from these postings, he was given command of the First Army.
Dumitrescu was born in Dobridor, Dolj. He began his military training at the Artillery and Engineers Officers' School in 1901, graduating in 1903 with the rank of second lieutenant. Dumitrescu was promoted to lieutenant in 1906 and, five years later, to captain. That year, he was admitted into the Military Academy at Bucharest, graduating in 1913.
When World War I started, Dumitrescu was a major. Following the war, he climbed higher and higher in the military hierarchy, becoming a lieutenant colonel in 1920, a brigadier in 1930 and a major general in 1937. Between 1937 and the beginning of World War II, Dumitrescu served as a military attaché in both Paris and Brussels. After returning to Romania from these postings, he was given command of the First Army.
Petre Dumitrescu