Six Day War 1967...
Israel responds to a build-up of Arab forces along its borders by launching a preemptive aerial attack against Egypt. Jordan subsequently entered the fray,...
#####
Now that would've been genocide/ethnic cleansing..."kill the Jews", "drive the Jews into the sea", "no more Jews".
The built up Arab forces were celebrating their impending victory, cheering footage on tv etc.
Israel, smarter than the partying Arab forces, sent up its jets while Egypt was having breakfast...and blew Egypt's air force to 'kingdom come'.