Complex sentence: On Saint-Léon presented his one-act ballet "Le Poisson doré" ("The Golden Fish"), which was staged at Peterhof in honor of the wedding of the Tsarevich Alexander Alexandrovich to the Princess Dagmar of Denmark.
Split into simpler sentences: On Saint-Léon presented the one-act ballet "Le Poisson doré" ("The Golden Fish"). This work was staged at Peterhof in honor of the wedding of the Tsarevich Alexander Alexandrovich to the Princess Dagmar of Denmark.