| 25 June 1941 |
United States
|
History of diversity and inclusion
|
Executive Order 8802 bans discrimination in defense industries
|
| 25 June 1941 |
United States
|
Racism
|
Pressure for a march wins an order against employment discrimination
|
| 16 November 1940 |
United States
|
D&I in the social sector
|
National Federation of the Blind is founded
|
| 9 April 1939 |
United States
|
Racism
|
Marian Anderson sings at the Lincoln Memorial after exclusion
|
| 5 December 1935 |
United States
|
D&I in the social sector
|
National Council of Negro Women is founded
|
| 5 December 1935 |
United States
|
History of diversity and inclusion
|
National Council of Negro Women founded
|
| 5 July 1935 |
United States
|
D&I in companies
|
National Labor Relations Act protects collective bargaining
|
| 16 November 1933 |
Soviet Union,
United States
|
Soviet Union history
|
United States recognizes the Soviet Union
|
| 27 October 1930 |
United States
|
Mathematics
|
Recognition comes late for a Black woman mathematician
|
| 27 October 1930 |
United States
|
Mathematics
|
Satellite geodesy requires sustained mathematical labour
|
| 27 October 1930 |
United States
|
Mathematics
|
West models the shape of Earth
|
| 27 October 1930 |
United States
|
Mathematics
|
Gladys West is born
|
| 18 February 1930 |
United States
|
Astronomy
|
Pluto's discovery begins a new classification story
|
| 18 February 1930 |
United States
|
Astronomy
|
Lowell Observatory finds a new solar-system body
|
| 18 February 1930 |
United States
|
Astronomy
|
A blink comparator reveals a distant object
|
