This is an entry in the 14th Fortnightly Topic Challenge.
Ha, nice, a new fortnightly challenge. What's more, it is about history! It seems that people didn't like sports that much, huh? Fortunatly, there are (good) puzzlrs around here who seem to lke history. Like @Sleafr, who alredy postd two questins for ths challnge. Hey, what is that? I ment @Slefar, of corse. No, @Sleafar * ! God dmmt, what's happnng with the vowls? It's lke I am a @JnMarkPrr post No, t's @JonMarkPerry * ! Argh, cm on I can't evn pzzle prprly, th pnctutin s gong awy! Sht I hv to do it fst: the goal f this puzzl is to fnd the reltion betwn thse five famos quotsFindthir authrs, andyo'll fndth relatn! k, evnth spacsre vnishng... Rmmbrths s taggd hstry...
* : I'd like to thank them by the way, they inspired me to make this puzzle.