- 1948
N°949, 1st engine of DD17 Class entered service
- 2021
Cross River Rail: TBM Merle broke through at the northern portal at HERSTON, finishing the tunnel boring for the project.
Sources: Ministerial media statement, 17 December 2021 (Queensland Government) · Done and dusted: Cross River Rail tunnelling complete (InQueensland)
Researched and compiled by Peter Burkitt, with later additions as sourced. About this list, abbreviations and the full calendar