1909
- Edgar Rice Burroughs’ Tarzan: The Complete Joe Kubert Years Omnibus
- Reprints Tarzan #207-235 (April 1972 – February/March 1975).
The licence for Tarzan was only briefly held by DC, but these comics were canon.
1916
- The Sandman: Overture — Vertigo
- Reprints The Sandman: Overture #1-6 (December 2013 – November 2015).
World War One
- The Enemy Ace Archives, vol. 1
- Reprints Our Army at War (1952) #151, #153, #155; Showcase (1956) #57-58; Star-Spangled War Stories (1952) #138-142
- The Enemy Ace Archives, vol. 2
- Reprints Star Spangled War Stories (1952) #143-145, #147-150, #183, #200
- Showcase Presents: Enemy Ace, vol. 1
- Reprints Detective Comics (1937) #404; Men of War (1977) #1-3, #8-10, #12-14, #19-20; Our Army at War (1952) #151, #153, #155; Showcase (1956) #57-58; Star Spangled War Stories (1952) #138-145, #147-150, #183, #200; Unknown Soldier #251-253, #260-261, #265-267
1938
- The Last Days of Krypton
- Original prose novel by Kevin J. Anderson (2008).
It’s not a graphic novel – and possibly not canonical – but it is very good. It’s placement here is based on the date of Superman’s first appearance, which has been mentioned more than once as the date of Krypton’s destruction. - DC Universe: Legacies
- Reprints DC Universe Legacies #1-10 (July 2010 – April 2011).
The story begins in this year, and carries through until Infinite Crisis in Year 20. - Sandman Mystery Theatre Compendium One
- Reprints Sandman Mystery Theatre #1-36 (April 1993 – March 1996) & Annual #1 (October 1994).
Takes place from 1938 through to April of 1939.
1940
- Madame Xanadu, vol.1: Disenchanted — Vertigo
- Reprints Madame Xanadu #1-10 (August 2008 – June 2009).
This volume tells the story of Madame Xanadu from the fall of Camelot in 515 CE to her arrival in New York City in 1940, but is best read here. - Madame Xanadu, vol.2: Exodus Noir — Vertigo
- Reprints Madame Xanadu #11-15 (July 2009 – November 2009).
1942
- The Newsboy Legion, vol. 1
- This volume covers comics with cover dates ranging from April 1942 to May 1944, and can reasonably be assumed to take place more or less in real time.
- The Losers
- Reprints Our Fighting Forces #151-162.
- Our Army At War
- Reprints G.I. Combat #1, Our Army At War #1, Our Fighting Forces #1, Star-Spangled War Stories #1 and Weird War Tales #1.
1943
- Sgt. Rock: The Prophecy
- Reprints Sgt. Rock: The Prophecy #1-6 (March 2006 – August 2006).
- Suicide Squad: The Silver Age
- Reprints The Brave and the Bold #25-27 & 37-39 (August/September 1959 – December/January 1960 & August/September 1961 – December/January 1962); & Star Spangled War Stories #110-111, 116-121, 125 & 127-128 (August/September 1963 – October/November 1964, August/September 1964 – June/July 1965, February/March 1966, June/July 1966 – August/September 1966).
The Golden Age portions of this volume (the stories from Star Spangled War Stories) take place during World War Two. Their placement here is an approximation. - Creature Commandos
- Reprints Weird War Tales #93, 97, 100, 102, 105, 108-112, 114-119, 121 & 124 (November 1980; March 1981; June 1981; August 1981; November 1981; February 1982-June 1982; August 1982-January 1983; March 1983 & June 1983).
These stories take place across 1942-1944 and their internal continuity does not match that of the actual war. Their placement here is an approximation. - Blackhawk: Blood and Iron
- Reprints Blackhawk #1-3 (March 1988 – May 1988); Secret Origins #45 (October 1989) & Action Comics Weekly #601-608, 615-622 & 628-635 (May 1988 – July 1988, August 1988 – October 1988 & November 1988 – January 1989).
Only the Blackhawk and Secret Origins stories take place at this time, the Action Comics Weekly stories are set in 1947.
1944
- Sgt. Rock: Lost Battalion
- Sgt. Rock: Between Hell & a Hard Place
- Vigilante: City Lights, Prairie Justice
- Has a prologue set in 1942, but primarily takes place between 1944 to 1947.
- JSA: Strange Adventures
- Must take place after D-Day.
1945
1947
- Blackhawk: Blood and Iron
- Reprints Blackhawk #1-3 (March 1988 – May 1988); Secret Origins #45 (October 1989) & Action Comics Weekly #601-608, 615-622 & 628-635 (May 1988 – July 1988, August 1988 – October 1988 & November 1988 – January 1989).
Only the Action Comics Weekly stories take place at this time, the Blackhawk and Secret Origins stories are set in 1943.
1948
- JSA: The Golden Age
- Reprints The Golden Age #1-4 (Summer 1993 – Spring 1994).
Although officially an Elseworlds title, large portions of this volume have been implied into continuity by the Starman series.
1950
- Justice Society of America: The Demise of Justice
- Reprints Justice Society of America #1-8 (April 1991 – November 1991); Adventure Comics #466 (December 1979); & All-Star Comics #57 (February/March 1951).
1957
- Madame Xanadu, vol.3: Broken House of Cards — Vertigo
- Reprints Madame Xanadu #16-23 (December 2009 – July 2010) & House of Mystery Halloween Annual #1 (December 2009, Madame Xanadu story only).
1963
- Madame Xanadu, vol.4: Extra Sensory — Vertigo
- Reprints Madame Xanadu #24-29 (August 2010 – January 2011).
1969
1985
- The Deadman Collection
- Reprints a selection of early Deadman stories.
- Suicide Squad: The Silver Age
- Reprints The Brave and the Bold #25-27 & 37-39 (August/September 1959 – December/January 1960 & August/September 1961 – December/January 1962); & Star Spangled War Stories #110-111, 116-121, 125 & 127-128 (August/September 1963 – October/November 1964, August/September 1964 – June/July 1965, February/March 1966, June/July 1966 – August/September 1966).
The Silver Age portions of this volume (the stories from The Brave and the Bold) take place at around this time.
The Post-Crisis DC Universe
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