| Date |
Event |
| 1910-09-26 |
C.N.O.Ry. Cobourg station plans approvedB.R.C. 11796. |
| 1911-04-11 |
C.N.O.Ry. Cobourg station grounds plans approvedB.R.C. 13364. |
|
C.N.O.Ry. Cobourg station grounds revised plans approvedB.R.C. 13425. |
| 1911-09-30 |
C.N.O.Ry. opens from Todmorden to TrentonNorthern Ontario Railroad Museum & Heritage Centre website; Toronto Railway Heritage Yahoo!® Group, Message #649. |
| 1914-10-19/1923-06-24 |
Appears as Cobourg, 72.8 miles from East Don (later Todmorden)CNOR.OD.35/CNR.CR.NOD.2. |
| 1923-09-30 |
Appears as North Cobourg, 72.8 miles from TodmordenCNR.CR.NOD.3. |
| 1924-01-06/1925-09-27 |
AbsentCNR.CR.NOD.3/14. |
| 1926-01-03 |
C.N.Rys. abandons junction with Oshawa Subdivision to RonnacCNR.CR.NOD.15. |
