George V began a naval career before becoming heir to the British throne after his elder brother's death in 1892. Service at sea and imperial travel supplied experience that later shaped his public identity. He became Prince of Wales in 1901 and succeeded Edward VII as king in 1910, entering a crisis over the House of Lords' power to block legislation.

George worked within ministerial government while using the crown's influence during disputes over the Parliament Act and Irish Home Rule. His willingness to consider creating peers helped make passage of the Parliament Act possible in 1911. Efforts to secure agreement over Ireland were overtaken by the First World War. During the conflict he visited troops, hospitals, and industrial communities, supporting morale while the elected government directed military and political policy.

Anti-German feeling prompted him to adopt Windsor as the royal house and family name in 1917. The change formed part of a broader effort to present the monarchy as nationally rooted during a war that destroyed several European dynasties. Afterward he adjusted to an expanded electorate, the rise of Labour, and the transformation of empire. He accepted the first Labour government in 1924 and maintained relations with ministers across party lines. In 1931 he encouraged efforts to form a National Government during the financial and political crisis.

The Statute of Westminster in 1931 recognized the legislative autonomy of the dominions, changing the constitutional relationships within the Commonwealth. George's Christmas broadcast in 1932 used radio to address audiences across that changing imperial world. His reign also encompassed Irish independence, continuing colonial rule elsewhere, and severe economic distress. He died in 1936 after the public celebrations of his Silver Jubilee the previous year. His contribution lay in consultation, ceremony, and adaptation rather than directing government. The monarchy endured war and democratic change.