Permanent historical records · Updated 2026-11-03

1930 in United States of America — Page 2

Explore 49 historical events and records for United States of America in 1930.

Historical records for United States of America in 1930

Sorted by month and day. Records with no month are shown last. Showing 9 of 49 unique records.

49Unique records
2 of 2Page
9Named events on this page
5Named people on this page
5Places on this page

Other events (month unknown)

Exact Static Unified-Field Solutions

Einstein, Albert · Berlin · Physicist · Science / Physics

Publishes work with Walther Mayer giving exact static solutions of unified-field equations, testing whether the programme can represent physically meaningful configurations.

First Caltech Winter Visit

Einstein, Albert · Pasadena · Physicist · Science / Physics

Begins an extended academic visit to the California Institute of Technology.

London Naval Conference

Dawes, Charles Gates · London · Ambassador of USA · Government / Republican Party Government

Serves as a delegate to the London Naval Conference.

Luminosity Distribution in Elliptical Nebulae

Hubble, Edwin Powell · Astronomer · Science / Astronomy

Hubble publishes a detailed study of the distribution of luminosity in elliptical nebulae, providing quantitative surface-brightness measurements for systems whose internal structure is not dominated by spiral arms.

Mourning Becomes Electra Written

ONeill, Eugene · Arts / Drama

Eugene ONeill developed Mourning Becomes Electra, a trilogy that reframed ancient tragedy against the backdrop of an American family.

Riemann Metric and Distant Parallelism

Einstein, Albert · Berlin · Physicist · Science / Physics

Further develops spaces combining a Riemann metric with distant parallelism, refining the geometric machinery behind his teleparallel unified-field theory.

Sixth Solvay Conference

Einstein, Albert · Brussels · Physicist · Science / Physics

Attends the sixth Solvay Conference and continues discussions on quantum theory and field physics.

Unified Field Equation Compatibility

Einstein, Albert · Berlin · Physicist · Science / Physics

Examines the compatibility of equations in the unified-field programme, addressing mathematical consistency before the theory can be regarded as physically viable.

Western Union Employment

Shaw, Clay LaVerne · New Orleans · Politics / Assassination of Kennedy, JF

Shaw worked for Western Union in New Orleans before the company later transferred him to New York City.

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.