This battle piece by Franz Mezger utilizes standard Classical textures to narrate military events. It relies on bold chordal themes and active rhythmic accompaniment common to the era's program music.
Developing a powerful, resonant sound in the chords while maintaining precise articulation is critical.
Comparable difficulty and character — good candidates for what to learn next.
Bataille de Fleurus (Op.11) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 6.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Bataille de Fleurus (Op.11) lasts about 5 minutes.
Bataille de Fleurus (Op.11) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Passacaglia by George Frideric Handel, Ballade by Samuel Coleridge-Taylor, 'The King of the Jews' - Incidental Music by Alexander Glazunov — see the full similar-pieces list on this page.