Timeline of Wilkes Station Antarctica
| Date | Event |
| 15 Jan 1968 | Nella Dan at ice edge |
| 22 Jan 1968 | Thala Dan arrives for relief voyage |
| 22 Jan 1968 | Post Office open - M.S. Nella Dan |
| 2 Feb 1968 | Thala Dan departs |
| 7 Mar 1968 | Nella Dan arrives at Repstat |
| 10 Mar 1968 | Nella Dan departs |
| 22 Jul 1968 | Reginald Sullivan dies on a trip to S2 |