Select the option that can be used as a one-word substitute for the given group of words.
The arrangement of events or dates in the order of their occurrence.

Let's check the definitions of the options provided:
Chronology: The arrangement of events or dates in the order of their occurrence.

Topography: The arrangement of the natural and artificial physical features of an area.

Plutocracy: A state or society governed by the wealthy.

Allegory: A story, poem, or picture that can be interpreted to reveal a hidden meaning, typically a moral or political one.

Therefore, 'Chronology' is the correct one-word substitute.