Here's the Spoiler-iffic Timeline of the Watchmen TV show (So Far)
Freshly revised and updated thanks to the fine folks over on /r/watchmen.
1914:
Will Reeves born
1917-1918:
O.B. Williams (Will Reeves' father) fights for the US in WWI, receives propaganda pamphlet
1921:
Tulsa massacre
1938:
Will Reeves enlists in NYPD
Autumn:
Will Reeves starts as Hooded Justice
1939:
Will joins Minutemen
1940:
Will Reeves disrupts Eddie Blake's assault on Sally Jupiter
1947:
Riot at Harlem theater, Will uncovers mesmerism plot
1949:
Judd Crawford Born
Between 1947 & 1955:
Will Reeves quits the Minutemen
1952:
The House Un-American Activities Commission asks Hooded Justice to reveal his identity to a single member for the committee, HJ refuses.
1955:
Sen John Keene (father to Joe Keene), communicates w/Tulsa Sheriff Dale Dixon Crawford (Judd's grandfather) on Cyclops stationery
Hooded Justice disappears
Nelson Gardner has his final contact with Will Reeves
1959:
Aug 20: Jon Osterman enters the Intrinsic Field device at Gila Flats
Nov 22: Dr. Manhattan fully materializes at Gila Flats
1960:
Dr. Manhattan debuts on the world stage
1966:
Nelson Gardner (Capt. Metropolis) founds the Crimebusters with Night Owl (Dan Dreiberg), The Comedian, Silk Specter (Laurie Blake), Rorschach, Ozymandias, and Dr Manhattan. The group, if it ever really came to fruition, did not have much success.
1971:
Trieu's mother's village in Vietnam is burned by the Comedian
Dr Manhattan delivers victory for the US in Vietnam
1975
Will Reeves (now working in a Harlem movie theater) inherits Capt. Metropolis' estate
1976:
January 15: Angela Abar born in Saigon
1977:
Keene act passed
1979:
Veidt builds the Ring
1980's:
Trieu Born in Vietnam
1985:
October:
Vietnam made 51st state
11/2:
Squid Event
Doc goes to Europa
1987:
May
Angela's parents killed by VLF
1990's:
Trieu completes 4 phD's at 15
1995
April
Dan Dreiberg & Laurie Blake prevent OKC bombing
Dan stays silent, is put into custody
Laurie turns FBI
2005ish
Trieu's mother dies, Trieu "harvests her memories," and creates Bian
2007
Trieu Launches Nostalgia, becomes a billionaire
2008ish
Trieu learns that Doc is on Europa, sets up Manhattan Booths and "Eye on Mars"
Trieu tells Veidt that Doc is on Europa
2009:
Doc leaves Europa
May: Doc & Angela Meet, begin relationship
Dec: Doc & Angela Break Up
Dec 13 (Date derived from timeline given by Doc to Veidt, relative to 11/2/85):
Doc goes to Veidt for the Ring
Doc sends Veidt to Europa
Doc tells Will about Judd
Dec 23
Doc becomes Cal
2010
Abars move to Tulsa
Trieu begins launching 50 Voyager-Class space probes
Note that it would take 1-2 years for a Voyager-Class Probe to reach Europa, depending on where Earth & Jupiter are in their orbital cycles when the probe launches
Dec 13: Veidt's First Anniversary, begins writing The Watchmaker's Son, already messing with horseshoes
2011
Dec 13: Veidt's 2nd Anniversary, finishes and stages The Watchmaker's Son
2012
Trieu purchases Veidt companies
Veidt declared "missing", after Veidt board goes to Karnak to get his blessing for the sale
Dec 13: Veidt's 3rd Anniversary, begins experimenting with catapults & suits, has a run in with the Game Warden
2013
Dec 13: Veidt's 4th anniversary
Veidt escapes to surface, leaves "Save me D" message
Veidt's trial begins
2014
Veidt's trial concludes
Dec 13: Veidt's 5th anniversary
2015
Trieu is licensing micro-fusion propulsion tech
Dec 13: Veidt's 6th anniversary
2016
Dec 13: Veidt's 7th anniversary, gets his horseshoe cake (7 candles)
Dec 24: White Night
2017
DOPA passes via Joe Keene, allowing Tulsa PD to go masked.
2017-2018
Construction on Millennium Clock begins
2018-2019
Something crashes in Tulsa (approx. one year after Trieu's arrival in Tulsa)
Assuming Veidt escapes/is rescued by Trieu in 2016, it would take 1-2 years for his ship to come back to Earth, and crash in Tulsa, at Voyager speeds
But if it's "micro fusion" it could be a lot faster
2019
Sep 8: 7th Kavalry shoots a Tulsa PD officer in a random traffic stop.
Sep 9: Veidt declared dead on 3 continents
Sep 9: Raid on cattle ranch
Sep 9 or 10: Crawford’s have dinner with Abars, Judd later murdered
Sep 16: Judd murdered (as reported on Peteypedia)
Sep 22: Angela takes Nostalgia
Sep 24: Laurie is kidnapped by Cyclops
Sep 25: "the Calamity at Greenwood" per Peteypedia. "Greenwood" refers to the area around Greenwood Street, which is the "town square" that contains the Cultural Center, Angela's bakery, the Dr Manhattan phone booth, Mr. News, and so on. It is the site of the 1921 massacre, rebuilt.
Sep 26:
Haz-Mat teams are collecting the remains of Unidientified Subjects 1 & 2, who are suspected to be (names redacted in Peteypedia)
Laurie Blake is still missing