Sack of Qohor

"When Qohor declained to pay the new Golden Company for its services, Bittersteel dared what even the Dothraki failed to do and sacked the city."

- Jorah Mormont

The Sack of Qohor was an event instigated by Aegor Rivers in which the Golden Company took revenge on the city of Qohor for failing to pay them for their services.

In the books
In the A Song of Ice and Fire novels, the story of the Sack of Qohor is the same. The event was vital in cementing the Golden Company's reputation.