https://libcom.org/article/timeline-german-and-herero-nama-war-and-genocide
The 1904-1907 Herero and Nama revolt and genocide was the first use of concentration camps by the Germans.
the germantimelinehereronamawar
https://6love.ch/pt/ads/region/418/amapa/language/209/herero
Herero - Idioma aqui: Amapá. Descubra Herero ao seu redor agora!
idiomaherero
https://libcom.org/article/herero-revolt-1904-1907
A short account of the Herero revolt against the German empire in what is now Namibia.
herero revoltlibcomorg