Wallace Collection of the wealthiest families in Europe. They owned large properties in England, Wales and Ireland, and increased their wealth through successful marriages. Politically of lesser importance, the 3rd and 4th Marquess and Sir Richard Wallace became leading art collectors of their time. The Wallace Collection, comprising about 5,500 works of art, was bequeathed to the British nation by Lady Wallace in 1897. The state then decided to buy Hertford House to display the collection and it was opened as a museum in 1900. As a museum the Wallace Collection's main strength is perhaps its extraordinary array of 18th-century French art:
Marquess of Salisbury Marquess. The fourth Marquess was also an influential Conservative politician and served as Lord Privy Seal, as President of the Board of Trade, as Lord President of the Council, as Chancellor of the Duchy of Lancaster and as Leader of the House of Lords. Like his father he was regarded as a staunch Conservative and bitterly opposed the Parliament Act 1911, which sought to curtail the powers of the House of Lords. His eldest son, the fifth Marquess, was also a Conservative politician. In 1941 he was summoned to the House of Lords through a writ of acceleration in his