Across Time
Pyramid versus skyscraper. Who lived at the same time as whom?
This page lists 5 source-checked comparisons in Across Time, ranked from the biggest value to the smallest. Each table shows its unit, the year the figures describe, how sure we are, the date we last verified it and the sources behind it.
Age of the oldest universities (years, in 2026)
Disputed
| # | Name | Value (years) |
|---|---|---|
| 1 | University of Bologna | 846 |
| 2 | University of Oxford | 826 |
| 3 | University of Cambridge | 817 |
| 4 | University of Salamanca | 808 |
| 5 | University of Padua | 804 |
| 6 | University of Naples Federico II | 802 |
| 7 | University of Valladolid | 785 |
| 8 | University of Coimbra | 736 |
Oldest known trees (years)
Estimated
| # | Name | Value (years) |
|---|---|---|
| 1 | Alerce Milenario or Gran Abuelo | 5,484 |
| 2 | Methuselah | 4,861 |
| 3 | Sarv-e Abarkuh | 4,500 |
| 4 | Gümeli Porsuğu | 4,115 |
| 5 | Llangernyw Yew | 4,000 |
| 6 | The Ancient Yew | 4,000 |
| 7 | The Senator | 3,500 |
Longest reigns (years)
Disputed
| # | Name | Value (years) |
|---|---|---|
| 1 | Min Hti | 95 |
| 2 | Pepi II Neferkare | 94 |
| 3 | Taejo | 93 |
| 4 | Tarak Bahadur Shah | 89 |
| 5 | Nintoku | 86 |
| 6 | Abd al-Muttalib | 81 |
| 7 | Sawai Basavalinga I Rajendra Udaiyar | 80 |
| 8 | Ermanaric | 80 |
Longest wars (years)
Disputed
| # | Name | Value (years) |
|---|---|---|
| 1 | Reconquista | 781 |
| 2 | Second Hundred Years' War | 126 |
| 3 | Dakota–Ojibwe War | 122 |
| 4 | Hundred Years' War | 116 |
| 5 | Tuareg rebellions | 110 |
| 6 | Crisis of the Roman Republic | 108 |
| 7 | Kurdish separatism in Iran | 108 |
| 8 | Kurdish rebellions in Turkey | 105 |
Oldest people ever verified (years)
Confirmed
| # | Name | Value (years) |
|---|---|---|
| 1 | Jeanne Calment | 122 |
| 2 | Kane Tanaka | 119 |
| 3 | Sarah Knauss | 119 |
| 4 | Lucile Randon | 118 |
| 5 | Nabi Tajima | 117 |
| 6 | Marie-Louise Meilleur | 117 |
| 7 | Violet Brown | 117 |
| 8 | Maria Branyas Morera | 117 |