3rd century

The 3rd century is defined by the calendar of Earth as occurring from the year 201 through the year 300.

Events

 * Spock's ancestors adopt a ceremonial ground that remains in their family at least until the 23rd century.
 * The society on planet 892-IV evolves on a path similar to that of Earth's Roman Empire, in an example of Hodgkin's Law of Parallel Planetary Development.