A prince falls in love with a commoner
They met because he was forced from his family by a civil war
The civil war started because the council couldn’t agree on the succession
The council couldn’t agree because it was formed of houses who hated each other
They hated each other because their grandparents had a blood-feud
They had a blood-feud because a daughter broke off an engagement with a rival’s son
A farmer finds a crown in a bog
The crown was thrown there by a defeated monarch
The monarch was defeated by a usurper and fled to a monastery
The monastery was founded by the widowed sister of a noble house
The sister was accused of dominating her husband
The husband had a secret love with the head of his warband
A fleet sets out from a space-station to launch one last desperate attack
The space-station is the last holding of a once-proud empire
The empire is reduced because its homeland was destroyed when it hit a moonlet
The moonlet was induced into the planet’s orbit by a secret cabal
The cabal was formed in response to the empire’s expansion
The empire was expanding in response to outside aggression
Where do you start these stories? What sort of story will you tell? How much background do you provide? Surely not all of it – not in detail, and not all at once. How much do you, as author, need to know? None of the ‘first tier’ statements are the beginning; you could trace causation right back to the Big Bang if you were so minded.
The universe dissolves into heat-death and a grey soup of atoms is all that remains
The last stars turn supernova
The surviving life-forms flee into another universe
Entropy is inevitable
The stars coalesce and ignite; planets find their orbits; the first stirrings of life arise
A God-Machine creates the Big Bang
There is no right answer. You start the story at the moment of fascination for you, the author. You write the story you want to write; you give the detail you think is relevant and interesting. You add detail subtly, drip-feed backstory. But you must remember that there’s always history. You never start at the very beginning because that’s impossible; there is no beginning.
Your characters don’t walk in vacuum. The world you create – be it a world purely of your own imagination or one taken from the world outside your window – has come in the way you depict because everyone and everything has a past. Why is the villain so twisted? Who created the magic sword (and why)? Who built that castle on that hill (and are we talking about a monarch or a mason)?
The readers don’t necessarily need the answers. You have to choose what’s important, what’s interesting and what your readers need to know.
And you can rely on your audience to tell you if you’ve got it wrong.