The History Place
The History Place: Holocaust Timeline
This site is a chronology of the events between January 30, 1933 when Hitler became Chancellor and, and the year 1961 when Eichmann was on trial in Jerusalem. There are many useful links that connect you with pictures and photos.
The History Place
The History Place: The Night of the Long Knives
This site from The History Place provides a lengthy discussion with quotes about the take over of the Sturmabteilung (SA) by the Shutzstaffel (SS) in 1934 and the leader of the SA, Rohm, is assassinated.