| Timeline |
| 2680s •2690s • 2700s • 2710s |
| • 2721 • 2724 2720s part of the 28th century
|
| 2730s • 2740s • 2750s • 2760s |
The 2720s saw the beginning of the war between humanity and the Foucoo of Zeta Reticuli, which lasted for much of the 28th century. (AUDIO: Nocturne)