The Night of the Long Knives ( German : Nacht der langen Messer ( help · info ) ) , sometimes called Operation Hummingbird or , in Germany , the Röhm-Putsch , was a purge that took place in Nazi Germany between June 30 and July 2 , 1934 , when the Nazi regime carried out a series of political murders .
The Night of the Long Knives ( German : Nacht der langen Messer ( info \* help ) ) or `` Operation Hummingbird '' ( Kolibri ) , was a purge that took place in Nazi Germany between June 30 and July 2 1934 , when the Nazi regime executed at least 90 people for political reasons .