Ok, sorry I'm not Montana (hope she's ok btw?) so I haven't carefully researched what happened on this day in history, I'm sure some interesting stuff did!
Anyway thought I better start a new thread for anyone who made it through the snow!
Dot
Update: medve offered some info so I thought I'd add it in here:
Galileo Galilei discovers Ganymede (1610): 400th anniversary
