| No. | Thumbnail | Record | Value | Holder | Year | Category | Open |
|---|---|---|---|---|---|---|---|
| #00452 |  | First Successful Human Kidney Transplant Verified | First | Joseph Murray | 1954 | Technology | |
| #00451 |  | World's First Website Verified | First | First World Wide Web site (info.cern.ch) | 1990 | Technology | |
| #00457 | First Live Birth Following IVF Verified | First | Louise Brown | 1978 | Technology | ||
| #00456 | First Commercial Geothermal Power Station Verified | First | Larderello Geothermal Power Station | 1913 | Technology | ||
| #00453 | First Commercially Sold General-Purpose Electronic Computer Evidence-backed | First | Ferranti Mark I | 1951 | Technology | ||
| #00448 | First Public Cloud Access to a Quantum Processor Verified | First | IBM Quantum Experience | 2016 | Technology | ||
| #00445 | First Nuclear Power Supplied to a Public Grid Verified | First | Obninsk Nuclear Power Plant | 1954 | Technology | ||
| #00442 | World's Largest Nuclear Power Station by Installed Capacity Verified | 8212 MW | Kashiwazaki-Kariwa Nuclear Power Station | — | Technology | ||
| #00436 | World's Largest Geothermal Power Complex Verified | about 725 MW | The Geysers Geothermal Complex | — | Technology | ||
| #00404 | Lowest Evaluated Systematic Fractional Uncertainty of an Optical Atomic Clock Evidence-backed | 1.2 × 10⁻¹⁹ | Lu-1 lutetium-ion optical clock | — | Technology |
