
ASSOCIATED PRESS PHOTOGRAPHS A protester is stopped by police in a street in Dublin on Tuesday during a demonstration against the first-ever visit to Ireland of Britain's Queen Elizabeth II. The Queen set foot on Irish soil at the start of a historic state visit that will herald a new era in relations between Britain and Ireland.

Queen Elizabeth II signs the visitor's book at Aras An Uachtarain, the Irish president's residence in Phoenix Park in Dublin on Tuesday. Irish President Mary McAleese; her husband, Dr. Martin McAleese (left); and Prince Philip look on. Politicians on both side of the Irish Sea have described the four-day event as momentous.

Britain's Queen Elizabeth II (right) is introduced to Enda Kenny (left), Ireland's taoiseach, or prime minister, by Irish President Mary McAleese at Aras An Uachtarain, the president's residence, in Phoenix Park in Dublin on Tuesday, May 17, 2011. The queen's visit is the first to the Republic of Ireland by a British monarch. (AP Photo/Tony Maxwell, Pool)

Mounted police patrol near Parliament in London on Monday, May 16, 2011, after British police received a bomb threat from a dissident Irish republican group ahead of Queen Elizabeth II's sensitive trip to Ireland on Tuesday. (AP Photo/Kirsty Wigglesworth)

A trip to Ireland that might include visits to well-known spots such as the bridge over the River Liffey in Dublin is a more affordable option than it was during the Emerald Isle's Celtic Tiger economic boom. Savvy online shoppers can find below-market rates even in the heart of Dublin. (Associated Press)

A trip to Ireland that might include visits to well-known spots such as Dublin's Temple Bar is a more affordable option than in the Emerald Isle's Celtic Tiger economic boom. With hotel speculators and banks in bankruptcy, more than 350 hotels now belong to the government and foreign banks, and savvy online shoppers can find below-market rates even in the heart of Dublin. (Associated Press)

Bagpipers play Thursday as President Obama leaves a St. Patrick's Day lunch with (from the left) House Speaker John A. Boehner, Irish Prime Minister Enda Kenny and Rep. Peter T. King. (Drew Angerer/The Washington Times)

Bagpipers play Thursday as President Obama leaves a St. Patrick's Day lunch with (from the left) House Speaker John A. Boehner, Irish Prime Minister Enda Kenny and Rep. Peter King. (Drew Angerer/The Washington Times)

U2's Bono, novelist James Joyce and actor Liam Neeson are just some of the notable folks from Ireland. (Photos: Associated Press and The Washington Times)