The woman known as the "The Pearl of Scotland" established a ferry in what century?
South Queensferry: Queensferry, also called South Queensferry or simply "The Ferry", is a town to the west of Edinburgh, Scotland, traditionally a royal burgh of West Lothian. South Queensferry:  Both towns derive their name from the ferry service established by Queen Margaret in the 11th century, which continued to operate at the town until 1964, when the Road Bridge was opened. Saint Margaret of Scotland:  Margaret was sometimes called "The Pearl of Scotland".
i don't know