| | EventDate | Name | ElementType | Issue |
|---|
| Young Kiyu's Path to Wizardry | 11??/??/?? | The Master Alchemist Empyrean Fire Infidel | | Astro City: Samaritan |
| Kiyu Adopts the Name Infidel | 11??/??/?? ++ | Empyrean Fire Infidel | | Astro City: Samaritan |
| Earliest Heroes and Their Legends | 1850s | Johnny Lightfoot The Lightning Kid Palomino | | Astro City: A Visitor's Guide |
| Romeyn Falls Incorporates as a Town | 1852 | Category:The City | | Astro City: A Visitor's Guide |
| Railroad Comes to Astro City | 1860s | Ironhorse | | Astro City: A Visitor's Guide |
| Cardinal Grandenetti's Arrival | 1869 | Enzio Grandenetti | | Astro City: A Visitor's Guide |
| Jeremiah Parrish is tempted by a Vampire | 1869/??/??.2 | Enzio Grandenetti The Confessor (Jeremiah Parrish) Female Vampire(unnamed) | | Kurt Busiek's Astro City Vol.2 No.7 |
| Former Slave Hiram Baker Breaks Ground on His New Farm | 1870s | Hiram Baker The Oubor Conspiracy | | Astro City: A Visitor's Guide |
| Slaughterhouse District Burned | 1887 | Ironhorse Johnny Lightfoot | | Astro City: A Visitor's Guide |
| Another Daring High Society Robbery | 1900?/??/?? | Johnny Ragtime Romeyn Falls Democrat-American The Oubor Conspiracy | | Astro City No.1 |
| Dame Progress Pursues Mister Cakewalk Following the Theft of the Star of Lahkimpur | 1900s | Dame Progress Bakerville Mulberry Street Mister Cakewalk Star of Lahkimpur The Oubor Conspiracy | | Astro City No.5 |
| 'Air Ace' Battles Flying Gunman; City Is Safe | 1919/??/?? | The Barnstormer Gang Air Ace | | Astro City No.1 |
| 'Air Ace' Battles The Barnstormer Gang on a Monday not a Sunday | 1919/??/?? | The Barnstormer Gang Air Ace | | Wizard Presents: Kurt Busiek's Astro City No.1/2 |
| Jeremiah Parrish witnesses the early adventures of Air Ace in Romeyn Falls | 1920 | The Confessor (Jeremiah Parrish) Air Ace | | Kurt Busiek's Astro City Vol.2 No.7 |
| The Blasphemy Boys Are Attacked By Batrachi In the Sewers of Baltimore | 1931 | Batrachi The Blasphemy Boys The Oubor Conspiracy Gregor Hussarian Caleb Tarrant Jimmy Doolin Desiree Breslow Curator of Ashton Museum | | Astro City No.5 |
| Ingels Street Mob Runs a Protection Racket | 1936 | The Ingels Street Mob The Convincer | | Astro City No.41 |
| Romeyn Falls City Council Discuss Depression Era Mob Violence | 1936 | Joseph Greenwald Council Member Dimity Council Member Jake Council Member Buller | | Astro City No.41 |
| Virgil Air Systems Test Flies an Early Model Air Turbine Glider Over Romeyn Falls | 1936 | The Astro-Naut Joseph Greenwald Virgil Air Systems | | Astro City No.41 |
| Roy Virgil Captures the Convincer | 1936 | The Convincer Roy Virgil Virgil Air Systems Air Turbine | | Astro City No.41 |
| Joseph Greenwald Meets Roy Vigil(Astro-Naut) | 1936 | The Astro-Naut Joseph Greenwald | | Astro City No.41 |
| Who is the Lamplighter | 1940s/ALT | The Lamplighter | | Wizard Presents: Kurt Busiek's Astro City No.1/2 |
| Mayor Greenwald Takes An Unexpected Journey Into Near-Space | 1942 | The Astro-Naut Astro-naut's Orbital Airstrip Joseph Greenwald | | Astro City No.41 |
| Time-Keeper Plots Scheme to Eradicate All Superheroes | 1943 | The Time-Keeper | | Wizard Presents: Kurt Busiek's Astro City No.1/2 |
| Time-Keeper Robs First National Bank | 1943 | Slugger The All-American The Time-Keeper The Tempus Fugitives First National Bank Novick Avenue Chronopack | | Wizard Presents: Kurt Busiek's Astro City No.1/2 |
| Astro-naut Captures Ersatz Ed | 1943 | Ersatz Ed The Astro-Naut | | Wizard Presents: Kurt Busiek's Astro City No.1/2 |
| Blackout Bandits Foiled by All-American and Slugger | 1943 | Slugger The All-American The Blackout Bandits | | Wizard Presents: Kurt Busiek's Astro City No.1/2 |
| Time-Keeper Encounters Eterneon | 1943 | Eterneon The Time-Keeper | | Wizard Presents: Kurt Busiek's Astro City No.1/2 |
| Japan Surrenders | 1945/08/15 | X X2 | | Kurt Busiek's Astro City Vol.1 No.2 |
| Professor Borzoi's Belief Ray Inadvertantly Brings Loony Leo to Life | 1946 | Ace Theater Happy Jack Beverages Belief Ray The Monster From the Dark Continent The Gentleman Loony Leo Professor Borzoi | | Kurt Busiek's Astro City Vol.2 No.13 |
| Romeyn Falls renamed Astro City | 1947 | Category:The City | | Astro City: A Visitor's Guide |
| Goodbye Romeyn Falls, Hello Astro City! | 1947/??/?? | Romeyn Falls Category:The City | | Astro City No.1 |
| Mayor Greenwood Details How Romeyn Falls was Re-christened Astro City | 1947/??/?? | Romeyn Falls Category:The City | | Astro City No.41 |
| Young Carl Donewicz(Steeljack) and his mom spot Starwoman flying over the rooftops of Astro City | 1948 | Steeljack AstroBank Tower Momma Donewicz Starwoman | | Kurt Busiek's Astro City Vol.2 No.14 |
| Jeremiah Parrish rejoins the human race with new purpose in his life as the Confessor | 1950 | The Confessor (Jeremiah Parrish) Purse Snatcher with Knife(unnamed) Elderly Lady(unnamed) | | Kurt Busiek's Astro City Vol.2 No.7 |
| Rivalry Between The Furst Family and Kratorr Begins | 1954 | Nick Furst The First Family Minions of Kratorr First Family Space Suits Kratorr Augustus Furst Julius Furst Natalie Furst | | Kurt Busiek's Astro City Vol.2 No.3 |
| Kiddie TV Star Involved in Teenybopper Drug Death | 1957/02/07 | Corliss McBride Loony Leo | | Kurt Busiek's Astro City Vol.2 No.13 |
| Loony Leo Becomes a Recluse For Six Years | 1958 | Loony Leo | | Kurt Busiek's Astro City Vol.2 No.13 |
| Honor Guard early battles | 1959 | Kroseth Commissar Hammer Beast-Men The Steel Sickle Honor Guard | | Astro City: The Flip Book |
| Pyramid attempts to kidnap the Mercury Astronauts | 1959 | Pyramid Honor Guard | | Astro City: The Flip Book |
| Black Badge battles Stone Gang | 1959 | The Black Badge The Stone Gang | | Astro City: The Flip Book |
| The Formation of Honor Guard | 1959 | Cleopatra (Original) The N-Forcer The Silver Agent The Legions of Midnight Honor Guard Max O'Millions Starwoman Leopardman Greymalkin | | Kurt Busiek's Astro City Vol.1 No.2 |
| Trolley Delayed By Shark | 1959/09/?? | Elliot Mills Dead shark | | Kurt Busiek's Astro City Vol.1 No.2 |
| Honor Guard's First Big Clash with Pyramid | 1959/10/14 | Pyramid Royal Williams Charles Williams Cleopatra (Original) The N-Forcer The Silver Agent Pyramid Vehicle Cleopatra's Power Pyramid in action Honor Guard Max O'Millions Starwoman Leopardman Greymalkin | | Astro City: The Flip Book |
| Charles Williams helps himself to some "free" fruit | 1959/10/14 | Royal Williams Charles Williams Mr. Evans | | Astro City: The Flip Book |
| The Williams Family sit down to an evening supper | 1959/10/14 | Pyramid Royal Williams Charles Williams Lloyd Williams Willa Williams | | Astro City: The Flip Book |
| The Williams brothers encounter the Black Badge | 1959/10/14 | Pyramid Royal Williams Charles Williams The Black Badge | | Astro City: The Flip Book |
| Adoption of Nick and Natalie Furst | 1961 | Nick Furst The First Family Kaspian Augustus Furst Julius Furst Natalie Furst | | Kurt Busiek's Astro City Vol.2 No.2 |
| Incidents leading to the origin of Atomicus | 1961/04 | Atomicus Various scientists | | Astro City: Local Heroes No.2 |
| Atomicus Saves Missile Scientists | 1961/04/07 | Atomicus Elliot Mills Fort Kanigher Dr. Vasily Petrov | | Astro City: Local Heroes No.2 |
| Infidel Changes the Outcome of the Cuban Missle Crisis | 1962/10/?? ++ | Empyrean Fire Infidel | | Astro City: Samaritan |