The past two months of rioting around Belfast aren't a return to the clashes of two decades ago. Rather, they are a sign of a new split, this time between unionists themselves along class lines.
The Titanic was launched into Belfast Lough on May 31, 1911. Ten months later, it struck an iceberg and sank on its maiden voyage to New York City.
The real test of Irish sentiment toward the monarchs comes in May during the first royal visit to the Republic of Ireland since its independence from Britain in 1920.