Ferguson marched on to the field immediately after the match to remonstrate with the official.

BBC: Ferguson hits back at FA charge

He gestured for the Barca boss to sit back down after Rijkaard sprung to the touchline to remonstrate to Collina about a challenge on Andres Iniesta.

BBC: SPORT | Football | Europe | The battle of Stamford Bridge

Ferguson was charged after he came on to the pitch to remonstrate with referee Mike Dean at the end of the 4-3 win against Hull at Old Trafford.

BBC: Ferguson hits back at FA charge

In 1807 one of Napoleon's generals was sent to remonstrate with the then incumbent over the local practice of chopping prisoners' heads off, including, allegedly, that of a French general whose head was then used as a football.

ECONOMIST: Balkan history