Andromeda Novae Distance Argument
Uses the faintness of novae recorded in Andromeda to argue that M31 lies far beyond the Milky Way and is an independent stellar system.
Permanent historical records · Updated 2026-11-03
1917 in United States
Explore 1 historical events and records for United States in 1917.
Historical records for United States in 1917
Sorted by month and day. Records with no month are shown last. Showing 1 of 1 unique records.
1Unique records
1 of 1Page
1Named events on this page
1Named people on this page
1Places on this page
Other events (month unknown)
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.