Four-State Tornado Swarm
... that the Four-State Tornado Swarm of 1787 is considered to be the earliest example of a tornado outbreak on record?
... that the <b id="mwGTg"><a href="./Four-State_Tornado_Swarm" id="mwGTk" rel="mw:WikiLink" title="Four-State Tornado Swarm">Four-State Tornado Swarm</a></b> of 1787 is considered to be the earliest example of a <a href="./Tornado_outbreak" id="mwGTo" rel="mw:WikiLink" title="Tornado outbreak">tornado outbreak</a> on record?