If you happen to be in London on this date this is an unusual event.
It is now a Charity event, to celebrate a Freeman's ancient right to herd sheep toll free across London Bridge to sell at market- and is organised by the Worshipful Company of Woolmen.
As well as the sheep drive there will be a Livery fair from 10am to 4pm in Queen Street Place, celebrating all things wool, and with demonstration sheep shearing, and also rare breed sheep present.