Not really sure what you're looking for.
You can also read the thousands of pages historian Ian Kershaw has dedicated to the subject of **** Germany, including electoral support for the *****, as well as popular opinion as to specific policy measures.
If you want to search 20th century coups, just enter it online. There are enough in Argentina alone to make your head spin. Those dictatorships were not as a result of "democratic processes" or "majority support" of the populace.
In Europe alone, Franco came to power after a civil war. So did Mao. So was the Russian Revolution. Tito came to power after the partisans were the last men standing in then-Yugoslavia.
The Communist dictators of Eastern Europe were voted on by the Communist Party brass, not a plebiscite.
There were coups in Iran, Libya, and Syria.
There's no reason to take this any further.