Try to put the following in chronological order (without research if possible, it spoils the fun)
At the moment the order is alphabetical.
a)Aztec Empire
b)Cambridge University
c)Dinosaurs
d)Discovery of Neptune
e)Fax Machine
f)Grass
g)Great Pyramid of Giza
h)Mammoth Extinction
i)Plate Tectonic Theory
j)Rolling Suitcase
k)Sliced Bread
l)Special Relativity Theory