| 9 April 1921 |
Verenigde Staten
|
Mathematics
|
Segregation obstructs Jackson's engineering courses
|
| 9 April 1921 |
Verenigde Staten
|
Mathematics
|
Jackson later advocates for women at NASA
|
| 13 Augustus 1920 |
Verenigde Staten
|
Racism
|
UNIA declares rights of Black peoples worldwide
|
| 24 April 1919 |
Verenigde Staten
|
Mathematics
|
David Blackwell is born
|
| 24 April 1919 |
Verenigde Staten
|
Mathematics
|
Blackwell contributes to probability, statistics and game theory
|
| 24 April 1919 |
Verenigde Staten
|
Mathematics
|
Racism blocks an Institute for Advanced Study appointment
|
| 24 April 1919 |
Verenigde Staten
|
Mathematics
|
Blackwell strengthens research at Howard and Berkeley
|
| 26 Augustus 1918 |
Verenigde Staten
|
Mathematics
|
Katherine Johnson is born
|
| 26 Augustus 1918 |
Verenigde Staten
|
Mathematics
|
Johnson calculates orbital paths
|
| 26 Augustus 1918 |
Verenigde Staten
|
Mathematics
|
John Glenn asks Johnson to verify electronic calculations
|
| 26 Augustus 1918 |
Verenigde Staten
|
Mathematics
|
Johnson crosses racial and gender barriers at NASA
|
| 28 Juli 1917 |
Verenigde Staten
|
Racism
|
Black New Yorkers march silently against racist violence
|
| 27 Maart 1917 |
Verenigde Staten
|
Russian Revolution of 1917
|
Trotsky leaves New York for revolutionary Russia
|
| 22 Maart 1917 |
Verenigde Staten
|
Russian Revolution of 1917
|
The United States recognizes the Provisional Government
|
| 9 September 1915 |
Verenigde Staten
|
Racism
|
Woodson helps found an association to study Black history
|
