Margaret Thatcher was one of the great leaders of the 20th century.

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If these seem like momentous days, consider the year 1979: the second great oil shock, the ascension of Margaret Thatcher, the appointment of Paul Volcker to head the U.S. Federal Reserve, the Soviet invasion of Afghanistan.

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Joining Palmer on Tuesday was Helen Benziger, the great granddaughter of Titanic survivor Margaret "Molly" Brown.

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You can see Margaret Island, Castle Hill, Gellert Hill and the great sprawl of the Pest side of town on the opposite bank.

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