what countries did queen victoria reign over?
United Kingdom
entailment
 Between 1815 and 1914 , a period referred to as Britain 's " imperial century " by some historians , around 10 @,@ 000 @,@ 000 square miles ( 26 @,@ 000 @,@ 000 km2 ) of territory and roughly 400 million people were added to the British Empire . Victory over Napoleon left Britain without any serious international rival , other than Russia in central Asia . Unchallenged at sea , Britain adopted the role of global policeman , a state of affairs later known as the Pax Britannica , and a foreign policy of " splendid isolation " . Alongside the formal control it exerted over its own colonies , Britain 's dominant position in world trade meant that it effectively controlled the economies of many countries , such as China , Argentina and Siam , which has been characterised by some historians as " Informal Empire " . 

entailment
 On 23 September 1896 , Victoria surpassed her grandfather George III as the longest @-@ reigning monarch in English , Scottish , and British history . The Queen requested that any special celebrations be delayed until 1897 , to coincide with her Diamond Jubilee , which was made a festival of the British Empire at the suggestion of Colonial Secretary Joseph Chamberlain . The prime ministers of all the self @-@ governing dominions were invited to London for the festivities . 

entailment
 Queen Victoria , Queen of Great Britain and Ireland 

entailment
 The British Empire was the largest on Earth , and Britain protected that empire and its trade routes with the world 's largest navy . Great Britain assumed the role of peacekeeper on the world 's oceans , and the Royal Navy was the instrument by which the Pax Britannica was kept . The global reach of the Royal Navy included the western Pacific Ocean , patrolled by the Australia Station . In 1887 Captain Henry Coey Kane took Calliope to the Pacific . At first assigned to the China Station , the vessel was reassigned to the Australia Station later in 1887 . The cruiser was in New Zealand at the end of that year , and was the first vessel to enter the new Calliope Dock . In early 1888 Calliope was sent north to watch over a looming diplomatic crisis and potential military confrontation in Samoa . 

entailment
 Victoria visited mainland Europe regularly for holidays . In 1889 , during a stay in Biarritz , she became the first reigning monarch from Britain to set foot in Spain when she crossed the border for a brief visit . By April 1900 , the Boer War was so unpopular in mainland Europe that her annual trip to France seemed inadvisable . Instead , the Queen went to Ireland for the first time since 1861 , in part to acknowledge the contribution of Irish regiments to the South African war . In July , her second son Alfred ( " Affie " ) died ; " Oh , God ! My poor darling Affie gone too " , she wrote in her journal . " It is a horrible year , nothing but sadness & horrors of one kind & another . " 
