History tells us that "After completing the Paraguayan War, Colonel Hermosa returned to this area and married Juanita Pesoa, the lover of Mariscal López.

Pedro Melo of Portugal ordered to Mr. Juan Jara of organizing the population of territorial space ranging from the Villa del Pilar, Curupayty up to prevent the entry of Indian infidels.

The book maintains the colonial-style architectural features of the 19th century: thick adobe walls and roof that mixes karanda'y, tacuarillas and tiles.

A large wooden cross solid times initial environmental input to the sacred enclosure, stored in its internal solemn airs.

They say the voices popular that the holy warrior was appointed skipper of Isla Umbú following a request for help made by Marshal Francisco Solano López during the Paraguayan War (1864–1870).

On May 2, 1866, before the battle of Estero Bellaco, Marshal López made a promise to St. Athanasius, who earned if the confrontation, it would designate patron saint of the first church in Paraguay after completion of that event of war.

At the top of the altarpiece, which is also located carving of a crucified Christ, was recorded the Paraguayan national shield: the star among the palm and olive trees.

They have done an awareness campaign through the radio program that the City has once a week in a transmitter of Pilar, for people who had some things related story done or provide the Commune order to expose the museum.

In the halls of the museum can be seen from a trunk tajy hand carved, which was used by some families of the area as a water container and other times to save seed consumption, until wearing priests of the parish.

In another room are located the remains of War 70: remnants of weapons, rifles, Yatagan, gun bullets, wheeled carts, running boards, found in Tajy and Boquerón, existing companies Umbu Island.

And in the courtroom, which was supposed Marshal Lopez when she hosted the Intendant of the Army, Excel tables in oil signed by the painter Bartolome Martinez.

In several paintings are scenes of bloody battles in some others women delivering their jewellery to Marshal, and portraits of Paraguayan hero, Madama Lynch and Pancha Garmendia.