Permanent historical records ยท Updated 2026-11-03

1858 in Italy

Explore 4 historical events and records for Italy in 1858.

Historical records for Italy in 1858

Sorted by month and day. Records with no month are shown last. Showing 4 of 4 unique records.

4Unique records
1 of 1Page
4Named events on this page
2Named people on this page
2Places on this page

Other events (month unknown)

Atomic Weight Standardisation

Cannizzaro, Stanislao ยท Karlsruhe ยท Chemist ยท Science / Chemistry

Promotes a consistent method for determining atomic weights based on Avogadro's ideas, providing data that later chemists use to organise the periodic table.

International Agreement

Cavour, Camillo Benso di ยท Prime Minister of Italy ยท Government / Government of Italy

Agrees France having Nice & Savoy for its support in Italian unification

Meeting with Napoleon in secret

Cavour, Camillo Benso di ยท Plombieres ยท Prime Minister of Italy ยท Government / Government of Italy

Obtains support to expel Austria from Lombardy & Venetia. Meets Napoleon in secret

Unification

Cavour, Camillo Benso di ยท Plombieres ยท Prime Minister of Italy ยท Government / Government of Italy

Unites Italy under Victor Emmanuel of Sardinia

How these records were prepared

Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.