Cahul obelisk located at the southern facade Zubov Wing in the Private Garden Catherine Palace. The obelisk was built in 1771-1772 gg. architect Antonio Rinaldi. Made Monument at St. Isaac's office. The obelisk and the pedestal made of Siberian gray marble veined; stage to the obelisk - tivdiyskogo red marble; skirting and stylobate - pink granite; plaque with a commemorative plaque - made of bronze.

The inscription on a bronze pedestal board, facing the palace, said that the obelisk was erected in honor of the victory of Russian troops over the Turkish on the river Cahul. In August 1770, when it received detailed reports about the victory and Routed to the Danube supreme vizier Galil Bay with the army, brought Colonel Peterson, Catherine II herself drafted the inscription on the obelisk in memory of the victory of Count Rumyantsev in Moldova on the river Cahul July 21, 1870

Ten thousand Janissaries, chosen people, which was the pride of the Turkish army, between the left flank of the Russian troops and the center, in the valley, suddenly attacked the angle of the front, which were first Moscow and Astrakhan regiments. Only Astrakhan regiment had to make a volley, as the Turks had already crush it. After a while the fourth Grenadier, Butyrskiy Muromsky and shelves, too, were upset. Janissaries were captured with the two Russian flag, several ammunition boxes. It is being torn quads Plemyannikova. But the Russian soldiers fought desperately against numerous enemy troops.

Turkish soldiers rushed on the right corner of the square Olitsa upset and taking a soldier, retreating from a penalty Plemyannikova .  Count Rumyantsev, fear of continuing disorders of the central square, turning to close the Prince of Brunswick, he said quietly, that it is our time .  Rumyantsev, sat on the horse, went running to the army of Plemyannikova Olitsa quads, trying to stop running .  The soldiers, seeing that Rumyantsev, exposes himself to mortal danger, immediately clustered around commander .  At the same time an order was sent from the battery to produce fire Melissino towards the Janissaries; and cavalry Dolgorukov and Count Saltykov, hit the two sides to them .  First Grenadier Regiment Ozerov of quads Olitsa hostility went to the Janissaries .  Kare Plemyannikova was recovered and was able to recapture the banner of the enemy, who were lost in combat Astrakhan and Moscow Regiment .  The army of Janissaries broke and ran .  High Vizier Halil Pasha and failed to stop retreating .  Janissaries did not listen, the Turkish army to flight .

Cahul obelisk and obelisk "Rumyantsev victories" was established December 19, 1771 in front of the palace, in the west of roller coasters. On the reverse side of the pedestal to the palace he was attached a memorial plaque with the inscription composed Catherine II.

The obelisk was 5 fathoms. The pedestal is mounted on a granite platform with three steps. It is enclosed by granite pillars. Previously, the pedestal was forbidden to approach, so as not to tread the turf.

The decoration Cahul obelisk no military attributes. The expressiveness of his strict appearance of the silhouette is created beauty, refinement of proportions, with elaborate dark gray and red marble Russian.

Several works of art related to the Cahul obelisk. This painting "Catherine for a walk in Tsarskoye Selo" V. Borovikovsky, which is a characteristic of the 18th century. intimate portrait - Empress on the background of the park with his beloved dog in her arms; and "The Captain's Daughter" Pushkin.

With the obelisk and the related deed of a young girl during the war years. June 26, 1943 she had killed the German invaders in the Catherine Park. Before dying, she managed to write on the obelisk indelible pencil that this will turn it killed a German soldier, and now surround it.