| 2022-08-07 08:57:54 | Quarryman | Added download link https://files.scene.org/view/parties/2021/vintagecomputingchristmaschallenge21/challenge/jghpdp112021.zip |
| 2022-06-09 17:46:31 | gasman | Set title to 'Christmas Tree (PDP-11 assembler)', author to 'Jonathan Harston' |
| 2021-12-24 21:58:10 | logiker | Updated competition placing info for Christmas Tree (PDP-11) in VCCC 2021 Challenge competition |
| 2021-12-24 21:57:51 | logiker | Updated competition placing info for Christmas Tree in VCCC 2021 Challenge competition |
| 2021-12-24 21:57:42 | logiker | Updated competition placing info for Christmas Tree in VCCC 2021 Challenge competition |
| 2021-12-24 21:57:32 | logiker | Updated competition placing info for Christmas Tree in VCCC 2021 Challenge competition |
| 2021-12-24 21:53:34 | logiker | Added competition placing for Christmas Tree in VCCC 2021 Challenge competition |