Season four is expected to cover the Horse Lover Christmas it’s fine I’m fine everything is fine Christmas sweater moreover I will buy this late 1970s through the 1980s. That period was a tumultuous time for the royal family—Lord Mountbatten was killed in an attack by the I.R.A. in 1979, Princess Diana and Charles’s infamous marriage began in 1981, and in 1982, intruder Michael Fagan famously broke into Buckingham Palace to talk to the Queen. (Fagan will be played by Preacher’s Tom Brooke.) But it was also a tumultuous time for Britain: Margaret Thatcher was elected as Prime Minister in 1979, ushering in a wave of economic conservatism.