[quote=TheSovereignGrave]
It evolved out a Christian holiday celebrating several Saints/martyrs named Valentine.
[/quote]

Yeah, the dude named Valentine was hung at the gallows for adultery and it somehow became a romantic holiday..

Somebody really fucked that event up. Why don't we just have national "Jack the Ripper Day" as well? God knows I don't want to know how they'd celebrate that XD