Historical biography archive · Updated 2026-11-03

Giovanni Schiaparelli Biography and Timeline

Follow Giovanni Schiaparelli through 1 dated historical records for Italy.

Giovanni Schiaparelli, historical timeline

A chronological timeline drawn from matching World History Database records.

1Distinct records
1 of 1Page
1889–1889Years on this page

1889

Mercury Rotation

Science / Astronomy

Schiaparelli reports that Mercury appears to rotate once in about 88 days, suggesting synchronous rotation with its orbital period.

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.