The Register of British Slave-Traders, published by researcher William Pettigrew and reported exclusively by the Guardian, names 13,000 men and women who invested in and profited from the trafficking of more than three million enslaved Africans between 1563 and 1807. The investors span the full social architecture of Britain: the monarchy from Elizabeth I through George II, 45 Church of England vicars, 24 Bank of England directors and governors, and the philosopher John Locke. This is not a fringe enterprise exposed — it is the mainstream documented. The register's power is format, not revelation. Caribbean scholars have spent decades establishing these facts. Eric Williams argued in 1944's Capitalism and Slavery that slave-trade profits financed the Industrial Revolution. Joseph Inikori's Africans and the Industrial Revolution in England traced the scaffolding: banking, shipbuilding, insurance, warehousing — all integrated into colonial trade. During a 2007 Commons debate, William Hague cited William Pitt's own claim that 80% of British overseas income derived from West Indian colonies. The evidence was never absent. It was actively suppressed. Catherine Hall's scholarship identifies this suppression as deliberate, not accidental. The process began immediately after the 1807 abolition of the trade: Thomas Clarkson's celebratory history of abolition erased Black and women abolitionists, reframing the end of trafficking as proof of British moral virtue rather than the conclusion of British moral catastrophe. The 1833 emancipation compounded the extraction — the government paid £20 million (40% of public expenditure) in compensation to slave owners, not the enslaved. The freed were forced into unpaid "apprenticeships." The register makes the extraction searchable and undeniable. Queen Elizabeth I provided money and ships — including the royal vessel Jesus of Lübeck, which trafficked 359 Africans in 1568. Her successors were major investors, shareholders, and directors in state-sponsored trading companies: the Company of Royal Adventurers Trading in Africa, the Royal African Company, and the South Sea Company. These were not private ventures tolerated by the state. The state was the venture. The reaction to the register itself tells a story. As Ahmed Reid notes, some expressed surprise at the extent of involvement — 193 years after emancipation. The question is why the surprise persists. The wall of silence Hall described 13 years ago — an amalgamation of institutions and cultural forces designed to obscure the period of enslavement and colonialism — remains structurally intact. British school curricula still do not fully integrate slavery's centrality to national wealth formation. Meanwhile, the global reparations movement is accelerating. Caribbean governments have placed reparations on the agendas of the Commonwealth, the UN, and multiple national parliaments. African nations including Ghana, Sierra Leone, and Liberia are developing concrete residency and citizenship pathways for diaspora Africans, moving repatriation from symbolic aspiration to practical policy. The Commonwealth leaders' summit in November will likely elevate these demands further. The register's significance is structural: it converts dispersed archival evidence into a consolidated, public database that makes denial costlier. The underlying extraction — three million trafficked lives, £20 million in owner compensation, centuries of unpaid labour, and the industrial wealth those generated — is now mapped to 13,000 named beneficiaries. The question is no longer whether the extraction happened, but what follows from its documentation.