| 19 March 1931 |
Brazil
|
History slavery Brasil
|
Union regulation places organizing under federal supervision
|
| 12 December 1930 |
Brazil
|
History slavery Brasil
|
The “two-thirds” rule reserves most contracted positions for Brazilian-born workers
|
| 26 November 1930 |
Brazil
|
History slavery Brasil
|
The provisional government creates a Ministry of Labor
|
| 29 May 1919 |
Brazil
|
Astronomy
|
Totality makes starlight deflection measurable
|
| 29 May 1919 |
Brazil
|
Astronomy
|
Príncipe hosts a second eclipse expedition
|
| 29 May 1919 |
Brazil
|
Astronomy
|
Sobral observes an eclipse for relativity
|
| 29 May 1919 |
Brazil
|
Astronomy
|
Eclipse teams photograph stars near the Sun
|
| 12 July 1917 |
Brazil
|
History slavery Brasil
|
The São Paulo labor dispute becomes a general strike
|
| 11 July 1917 |
Brazil
|
History slavery Brasil
|
A mass funeral procession turns grief into public protest
|
| 9 July 1917 |
Brazil
|
History slavery Brasil
|
Police kill shoemaker José I. Martinez during strike unrest
|
| 9 June 1917 |
Brazil
|
History slavery Brasil
|
Workers at Cotonifício Crespi begin a wage strike
|
| 22 November 1910 |
Brazil
|
History slavery Brasil
|
Sailors revolt against flogging and racialized naval discipline
|
| 22 November 1910 |
Brazil
|
Racism
|
Black sailors revolt against flogging in the Brazilian navy
|
| 14 April 1909 |
Brazil
|
Medicine
|
A medical discovery takes place in Minas Gerais
|
| 14 April 1909 |
Brazil
|
Medicine
|
A Brazilian investigation links parasite and illness
|
