- 1956
8S Westlander collided with 19 Down Roma Toowoomba passenger train at Wallumbilla killing five passengers and seriously injuring 10 others.
- 2012
QR National Limited became Aurizon Holdings Limited. The new name was meant to end confusion with Queensland Rail.
Sources: QR National enters new era as Aurizon (Aurizon) · QR National brand ditched (Fully Loaded)
Researched and compiled by Peter Burkitt, with later additions as sourced. About this list, abbreviations and the full calendar