Pyotr Ilyich Tchaikovsky's '1812 Overture' is a powerful orchestral work, often performed in piano transcription, that musically depicts the Russian victory over Napoleon. It's known for its iconic themes, including the Russian national anthem and the hymn 'O Lord, Save Thy People,' culminating in a grand, bell-ringing finale.
The piano transcription demands exceptional finger dexterity and power to render the orchestral effects, particularly the thunderous climaxes and bell figures.
1812 Overture is rated Henle level 7 of 9 — late advanced repertoire, roughly ABRSM grade 8 and above. In the RCM system it corresponds to about level 9.
You should be comfortable at Henle level 7 — meaning you can already play level 6–7 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 1812 Overture lasts about 15 minutes.
1812 Overture is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.