Decade-by-Decade Timeline of the 20th-Century - …
ART HISTORY RESOURCES ON THE WEB: 20th-Century Art
() A Russian artillery expert, Mikhail Pomortsev (1851-1916), actively experimented with rockets at the turn of the 20th century.
Main 20th Century Timeline - "History Central
The next year, 1942, marked the beginning of mass murder on a scaleunprecedented in all of human history. In January, fifteen top Nazis ledby Reinhard Heydrich, second in command of the SS, convened the WannseeConference in Berlin to coordinate plans for the Final Solution. The Jewsof Europe would now be rounded up and deported into occupied Poland wherenew extermination centers were being constructed at Belzec, Sobibor, Treblinka,and Auschwitz-Birkenau.