Historedia
Person

Louis-Alexandre Berthier

Events
3
Episodes
6
Years
1798–1800

Every event in Historedia whose sources name Louis-Alexandre Berthier, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. French Invasion of the Papal States

    1798

    Role: French General and Commander

    1. 11 February 1798 · RomeFrench Occupation of Rome

      French troops under Berthier invaded the Papal States and occupied Rome on 11 February 1798.

    2. 15 February 1798 · RomeProclamation of the Roman Republic

      Berthier proclaimed the Roman Republic on 15 February 1798, replacing papal rule with a French-aligned government.

    3. 15–20 February 1798 · RomeImprisonment and Exile of Pius VI

      Pope Pius VI was taken prisoner during the proclamation and exiled to France in February 1798.

  2. Halt at Fort Bard

    1800

    Role: French military commander and chief of staff to Napoleon Bonaparte; a legacy row links him to this event as commander of the halted French forces, but the supplied passages do not confirm his presence or command at Fort Bard

    1. 14 May 1800 · Fort Bard, Aosta Valley, ItalyHalt of the French army at Fort Bard

      A 40,000-strong French army was stopped at Fort Bard on 14 May 1800 by a garrison of 400 Austro-Piedmontese soldiers.

  3. Third Treaty of San Ildefonso

    1800

    Role: French general and negotiator for the French Republic

    1. 1800 · San Ildefonso, SpainShips of the Line and Conditional Italian Territories

      Spain was to supply six named ships of the line, while the Italian compensation remained geographically vague and conditional on French confirmation.

    2. 1 October 1800 · San Ildefonso, SpainSecret Signing of the Third Treaty of San Ildefonso

      On 1 October 1800, Spain and the French Republic secretly agreed that Louisiana would return to France in exchange for Italian territories.

Sources

  1. Louis-Alexandre Berthier Wikipedia, revision of 2026-09-24
  2. Roman Republic (1798–1799) Wikipedia, revision of 2026-07-30
  3. Third Treaty of San Ildefonso Wikipedia, revision of 2026-08-11