Ole Christensen Romer Biography

Historical biography and chronological timeline for Ole Christensen Romer, based on 4 World History Database records associated with Denmark.

4 records1675–17004 events2 places

Chronological biography

1675

Io Eclipse Timings1675

Science / Astronomy · Astronomer · Paris

Studies timing differences in Io eclipses caused by Earth's motion.

1676

Speed of Light1676

Science / Astronomy · Astronomer · Paris

Uses eclipses of Io to estimate that light travels at finite speed.

1700

Danish Calendar Reform1 March 1700

Science / Astronomy · Astronomer · Copenhagen

Aligns Danish civil dating more closely with most of western Europe.

Gregorian Calendar Introduced1 March 1700

Science / Astronomy · Astronomer · Copenhagen

Helps introduce the Gregorian calendar in Denmark-Norway.

Titles and roles

Astronomer

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.