When was the last time the UK had both a King and Queen?

Kings and Queens of England & Britain - Historic UK

King George V, Queen Mary's Visit in the Downton Abbey Film Is Based on a True Story

The Queen The Royal Family

The British Royal Family Tree: A Complete Guide to the Modern Monarchy

Queen Elizabeth II Is the Monarch of Fifteen Countries. What Does That Mean?

The historic first for King Charles as Queen Camilla is crowned – Royal Central

Elizabeth II: British royal family: Who's who in the line to the throne, International

Queen Mary Of Teck, Facts About George V's Wife – Biography & Guide

Queen Elizabeth II dies at age 96 - WHYY

When was the last time the UK had both a King and Queen?, UK News