Dark Fate Timeline

The Dark Fate Timeline is that depicted in Terminator: Dark Fate, which disregarded the events depicted in Terminator 3: Rise of the Machines, Terminator Salvation, and Terminator: Genisys, and as such the dates and events in the Dark Fate Timeline continue on immediately after the events of the Cinematic Timeline.
Grace, an augmented resistance soldier travels back in time from 2042 to 2020 to protect Daniella Ramos from termination at the hands of a Rev-9 Terminator with the help of Sarah Connor and Carl, a self-aware T-800 who terminated John Connor. 
2042
2042, Unknown Date

After being severely wounded in a confrontation with Rev-9 Terminators resistance soldier Grace volunteered for the resistances augmentation program.

[Source - Terminator: Dark Fate]

1998
1998

Having successfully averted Judgment Day, which was destined to occur August 29th, 1997, John and Sarah Connor lived peacefully in Livingston, Guatemala. While relaxing at a beach bar John Connor was killed by a T-800 that had been sent back in time by Skynet along with the T-1000 advanced prototype as 'slow bullets', to kill John Connor if the T-1000 failed to do so in 1994.

[Source - Terminator: Dark Fate]

2020
2020, Unknown Date (Day 1)

Grace, a cybernetically augmented resistance soldier arrived via a chronosphere (from 2042) in Mexico City, while a Rev-9 Terminator arrived via a chronosphere hours later within the apartment block where Daniella Ramos, its target lived. Grace and the Rev-9 converged on Dani at the Arius Motors factory were she was employed, with the Rev-9 masquerading as Dani's father. Evading the Rev-9 Dani and Ramos was rescued by Sarah Connor before seeking out the assistance of Dani's uncle Felipe to cross the border into the United States where they were arrested by Border Patrol Police. Escaping from the Border Patrol Detention Camp and again evading the Rev-9 Dani, Grace, and Sarah traveled to Laredo, Texas, the location of an unknown party who had been sending Sarah the co-ordinates of the Terminators she had been hunting since John's death.

[Source - Terminator: Dark Fate]

Unknown Date (Day 2)

The unknown party, the T-800 that murdered John, who in the interim years had a wife, an adopted son, a drapery business, and had adopted the name, Carl, chose to aid Dani, Grace, and Sarah against the Rev-9. Pursued by the Rev-9 into a US military base Dani, Grace, Sarah and Carl commandeered a C-5 Galaxy transport aircraft but where pursued by the Rev-9 again in a KC-10 Extender refueling aircraft before crashing into a nearby hydro-power plant, where they confronted and defeated the Rev-9, with Grace and Carl sacrificing their lives to ensure the Rev-9's destruction.

[Source - Terminator: Dark Fate]

Unknown Date (Day 3)

At Elysian Park, Los Angeles Dani watched a young Grace with her family before leaving with Sarah.

[Source - Terminator: Dark Fate]