July 5, 1687
1687-07-05 00:00 UTC
Held by The Museum. Not for sale.
Principia is published

Newton sets out the laws of motion and universal gravitation.Source ↗
Questions and answers
- When exactly did principia is published take place?
- It is recorded at 1687-07-05 00:00 UTC — July 5, 1687 in Coordinated Universal Time. Every minute in this registry is stored in UTC so it reads the same anywhere in the world.
- Can this minute be bought?
- No. Museum minutes are curated historical entries held permanently by the registry and are never for sale. The minutes around them can be claimed.
- What does owning a minute mean?
- Buy The Time is a novelty registry. Nobody buys real time or property — an owner buys a permanent, public entry against one UTC minute in this database, visible to everyone.