10 Lei Ecaterina Teodoroiu

Ecaterina Teodoroiu enlisted in the Romanian army in 1916 following the death of her brother on the Eastern Front, eventually receiving a commissioned officer's rank — one of very few women to do so in any combatant nation during World War I. She was killed near Mărășești in August 1917, aged 23, during the Romanian counter-offensive that halted the German advance into Moldavia. That battle is considered the decisive moment that preserved what remained of unoccupied Romania.

The National Bank issued this piece as part of a broader series commemorating figures from the 1916–1918 campaign, struck in the centenary year of Romania's entry into the war.