LONDON, ENGLAND - MAY 27:  Queen Elizabeth II proceeds through the Royal Gallery before the State Opening of Parliament in the House of Lords at the Palace of Westminster on May 27, 2015 in London, England. (Photo by Suzanne Plunkett /WPA Pool/Getty Images)
Queen Elizabeth II's record-setting reign
01:34 - Source: CNN
London CNN  — 

When Scots went to the polls to vote for independence from the United Kingdom in September 2014, the role of the Queen came under scrutiny.

At the time, the leader of the Scottish National Party (SNP), Alex Salmond, pledged that if voters backed exiting from the 300-plus year Union, Elizabeth II would remain “Queen of Scots.”

Polling at the time suggested Salmond accurately gauged the popular mood on the Queen – 52% wanted to keep her. The question was moot, however, as Salmond famously miscalculated Scotland’s mood on independence, which was voted down 55% to 45%.

Of the many lessons of IndyRef 2014 in Scotland, one solid takeaway was that the Queen was not directly part of the problem.

In Northern Ireland, however, during much of her reign the opposite was true.

The 30 bloody years of violence known as “The Troubles” pitted UK unionists against Irish nationalists, with the British Crown emblematic of much that divided the province.

Unionists are loyal to the Crown and the traditional British values they believe it enshrines. For Irish nationalists, it is the symbol of the British forces who subjugated their ancestors and annexed their land.

Charles’ favorite great-uncle, Lord Louis Mountbatten, the last British Viceroy to India, was murdered by the Irish Republicans along with several of his grandchildren. The message to the monarch was unmistakable: Her bloodline were legitimate targets.

Queen Elizabeth II shakes hands with Deputy First Minister of Northern Ireland Martin McGuinness as First Minister Peter Robinson looks on at the Lyric Theatre on June 27, 2012 in Belfast, Northern Ireland.

Her public reply came many years later, on a 2012 visit to Northern Ireland that followed the relative peace brought by the Good Friday Agreement, when she shook the hand of one of the republicans most associated with the groups behind the violence of t