1868Discovery of Solar SpectrumAnders Jonas Angstrom
Publishes maps of the solar spectrum
Historical records for Sweden in 1868, rendered directly from the World History Database and ordered by month, day and event.
Publishes maps of the solar spectrum
Publishes a detailed atlas of the solar spectrum.
Establishes precise wavelength measurements using the unit later named the angstrom.
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.