Answer:
#1) It was a plot.
#2) The use of gunpowder- lots of it- played a key role in the plot.
#3) Thirty-six BARRELS of gunpowder were found to have been prepared.
#4) The barrels of gunpowder were found in the basement.
#5) The basement of The House of Lords.
#6) Guy Fawkes (AKA Guido Fawkes) was discovered guarding the explosives.
#7) THE PLOT HAD BEEN BETRAYED!
#8) Mr. Fawkes was dicovered in the early morning hours of November 5th, 1605.
#9) That date, November 5th, has been celebrated ever since, due to the failed plot to assassinate the King.
#10) There's even a poem about it:
Remember, remember
The Fifth of November
Keep mem'ries alive
Of Sixteen-Oh-Five...
#11) I'd better get an A+ on this!