In 1914 started the first global conflict, a war that marked the destinies of a generation. An ally of the Entente (which included England, France and Russia), as of 1916 Romania entered the fight under the mobilizing impulse given by the express desire of bringing together all the Romanians within the single border of an independent state.
Throughout the themes they depict, the three postage stamps of this issue are a symbolic reminder of these difficult battles: the Mausoleum of Marasesti is the monument meant to honor the bravery of fallen Romanian soldiers, the Heroes'Cross, also known as the Cross on the Caraiman Mountain, and the Order of Michael the Brave 1st Class represents the military order awarded for outstanding achievements in battle.
The battles of Marasti-Marasesti-Oituz in July-August 1917 were fought against a numerically and technologically superior enemy, the Romanian army succeeding in stopping the German offensive only after dramatic clashes. The reminder of all these is the impressive Mausoleum of Marasesti, where the remains of over 5,000 identified and unidentified soldiers are placed in individual and common crypts.
The Heroes'Cross, designed and erected under the supervision of King Ferdinand and Queen Marie between 1926 and 1928 was dedicated, as it is written on the commemorative plaque, "to the glory and memory of heroes from Prahova who fell in the First World War, 1916-1918, to defend their country".
Upon completion of the work, the Heroes'Cross was the tallest metallic structure in Europe, located at approximately 2,300 m altitude, being considered along with the Eiffel Tower in Paris, the Statue of Liberty in New York or the statue of Christ the Redeemer in Rio de Janeiro, an engineering monument and a symbol of great value.
The Order of Michael the Brave 1st Class, the most important Romanian military decoration, was created in 1916 at King Ferdinand 1st initiative. The mark of the order was represented by a golden metal cross, with a blue enameled coating, and King Ferdinand 1st initial and crown on the obverse. The order was awarded "exclusively for exceptional acts of war, to officers who distinguished themselves in front of the enemy". Along with King Ferdinand, the order was worn by Constantin Prezan and Alexandru Averescu.
Through the issue of postage stamps In Memoriam, National Heroes, Romfilatelia honors the heroism of the Romanian soldiers whose names are enshrined in the pantheon of national heroes having sacrificed their lives in order to contribute to the historic becoming and union of the Romanian people, for defending the soul and ancestral faith, the freedom, dignity and the country's unity.