Yarmuk 636 is one of the most depressing events in history.
Whenever I read about that or the disasters that ensued in the following centuries I always spend a day depressed.
Grim.
Remember when Germany lost the second world war, lost a third of its territory, had millions ethnically cleansed from said territory and then proceeded to not maintain a goal to wipe Poland off the map (again)?
Zionists are the Nazis in this scenario, and yes we will ultimately defeat them.