Timeline of events in The Simpsons

This article complies a timeline of events in The Simpsons. Every year from after the series began (starting with 1990) since has a major event listed for it from an episode from that year in the series.
== 5th Century ==
* 495: The first meeting of Stonecutters.
==11th Century==
*1013: Carl Carlson's cowardly ancestors let barbarians raid Iceland. They never showed their faces again for 1000 years until 2013.The Saga of Carl
==18th Century==
*May 12, 1772: Sven Simpson immigrates from Scandinavia to the US.
*August, 1760: Hans Sprungfield is born. He later claims his birth year as 1774.
*February 25, 1796: Jebediah Springfield founds Springfield.Lisa the Iconoclast
==19th Century==
*1838: Jebediah Springfield kills a bear with his bare hands.
*1852: Eliza Simpson is born."The Color Yellow"
*April 14, 1860: Eliza Simpson tries to help a black slave named Virgil escape to freedom, northward to Canada.
*April 22, 1860: Hiram Simpson tells Colonel Burns that Virgil is in the turnip shed to get a new pair of shoes. Mabel confronts Colonel Burns with a shotgun, and leaves with Virgil, whom she later marries, for Canada.
*1892: Cornelius Chapman is born."The Mansion Family"
==20th Century==
*1902: Rabbi Zev Krustofsky immigrates to the U.S.
*1903: Hubert Simpson is born.
*August 16, 1903: The Sumatran Century flower blooms and then closes for 100 years.Moe Baby Blues
*February 24, 1904: The 1st annual Springfield Marathon is held.
*1908: Horace Wilcox is born.
*1913: Abraham Simpson's family moves from an unnamed country to America, into the Statue of Liberty.In "Much Apu About Nothing", Grampa said that sliced bread was invented the previous winter.
*June, 1914: Montgomery Burns graduates from Yale University."Burns, Baby Burns"
*1915-1919: Abraham Simpson lies about his age to fight in World War I.
*1919: Itchy is first introduced in Manhattan Madness."The Day the Violence Died"
*1927: Charles Lindbergh obtains Bobo, and, in flight, tosses him to one of his fans."Rosebud"
*1928: Scratchy is first introduced in That Happy Cat."Itchy & Scratchy: The Movie"
*Winter 1928: Abraham Simpson and C.W. McCallister are climbing the Murderhorn, with the Butterbaby Flapjack company sponsoring them. It was so cold and Abraham got so hungry that he even bit the left arm of McCallister. When they were almost at the top, they ran low on supplies. Heroically, Abe gave the last short stack to McCallister. However, McCallister took all the supplies with him. Eventually, McCallister stopped because the peak was unclimbable. His last thoughts were blinding and torturing Abe Simpson. However, Homer would unintentionally break this unclimbable peak 70 years later and end up being the first one to make it to the top of the Murderhorn.King of the Hill
*1929: The first Itchy and Scratchy cartoon ever is made, titled Steamboat Itchy.
*November 6, 1933: Adult Wilcox is sworn in as Springfield's congressman.
*1939: Abe Simpson enlists in the United States military, becoming a member of the Flying Hellfish.
*June 16, 1939: Charles Montgomery Burns meets Lily Bancroft and conceives Larry Burns with her.
*September 7, 1939: Burns enlists with the Nazi Party after they take over Poland, and becomes a Schutzstaffel sergeant.
*1940: Larry Burns is born.Inferred from "Burns, Baby Burns"
*December 8, 1941: After the United States enters WWII, Montgomery Burns flees Germany and joins the U.S. Army.
*June 5, 1944: Abraham Simpson meets Edwina while he is in England during World War II. He tells her to make this night memorable because he's shipping out in the morning. Little did he know he really was shipping out in the morning."The Regina Monologues"
*1945: After World War II, Mr. Burns is given the world's only trillion dollar bill to give to Europe to pay for reconstruction. However, the 1 trillion dollars never came, and Europe was never fully reconstructed."The Trouble with Trillions"
*1947: Abraham Simpson pays Chester J. Lampwick to paint his chicken coop in exchange for some corn muffins.
*1950: The 1st annual Donkey Basketball game.
*1952: Eliza Simpson turns 100. She is interviewed in a 1952 film and mentions she saw a grave injustice back in 1860.
*July 19-August 3, 1952: During the 1952 Summer Olympics in Helsinki, Finland, while a pregnant Agnes Skinner is pole-vaulting, Seymour Skinner, still inside her womb, kicks and messes it up. Before he was even born, he ruined his mother's life."Boy Meets Curl"
*1952: Seymour Skinner is born.
*1954: A possible year of Waylon Smithers, Jr.'s date of birth."The Old Man and the Lisa"
*May 12, 1956: According to one account, Homer Simpson is born."Duffless"
*February 7, 1961: Krusty the Clown interviews George Meany on The Krusty the Clown Show.Shown in "Bart of Darkness". However, the 1993 episode "I Love Lisa" suggests that The Krusty the Clown Show began 29 years earlier, which would be 1964. "I Love Lisa" also shows a clip of Krusty and Robert Frost in 1963, and according to "The Ten-Per-Cent Solution", Krusty's act was not performed outside of small clubs until after the mid 1960s.
*1961: Hans Moleman is born. By 1992, alcohol has wrecked his life.Mentioned in "Duffless", though other episodes show him to be much older.
*1962: Frank Grimes is born."Homer's Enemy"
*1963: Krusty the Clown interviews Robert Frost on The Krusty the Clown Show.The 1993 episode "I Love Lisa" suggests that The Krusty the Clown show began 29 years earlier, which would be 1964. However, the Robert Frost appearance in "I Love Lisa" is dated 1963, and according to "The Ten-Per-Cent Solution", Krusty's act was not performed outside of small clubs until after the mid 1960s. "I Love Lisa" cannot be set in February 1992 either as Bill Clinton is the president in the audience. 
*Spring, 1963: When Mr. Burns was appealing to the kids of Springfield to get his nuclear power plant built, he gave out Isotoads to the kids. When Homer tried to give his to Bongo, Mr. Burns stopped him and Bongo bit Mr. Burns. After this, Burns sent Springfield Animal Control after Bongo to catch him and put him down. Abe took Homer and Bongo to the farm of a neighbor, Miss Viola, to give Bongo to her to keep safe
*Summer, 1967: Homer and Marge kiss each other at night during summer camp, but they do not know it is them."The Way We Weren't"
*1968: When Homer was 12, he, Lenny, Carl, and Moe went to a deep gorge to swim but the water was drained. When investigating why the lake was reduced to a muddy pit, he stumbled upon a decomposing corpse inside a nearby pipe, greatly traumatizing him.
*1969: Mona Simpson is wanted after planning a raid on the Burns Germ Warfare Lab.The 1995 episode "Mother Simpson" is set roughly 27 years after Mona's disappearance, though because of the floating timeline, later episodes such as "Mothers and Other Strangers" place her flashbacks at the time of her disappearance 30 years before the then current episode's release.
*July 20, 1969: While everyone else is watching the moon landing, Homer has been sent to his room, where he is listening to the song "Yummy, Yummy, Yummy, I Got Love in My Tummy" by the Ohio Express.
*1971: Troy McClure produces and narrates an educational video called Fuzzy Bunny's Guide to You-Know-What.Bart's Friend Falls in Love
*September, 1972: Before beginning high school, Homer convinced Barney to have a beer can while his father was asleep. Barney, an aspiring student preparing for Harvard, was annoyed and reluctantly drank it. However, he took to alcohol so quickly he nigh-permanently became a worse drunken wreck than Homer and presumably failed his SAT tests.
*June, 1974: Homer Simpson meets Marge Bouvier in detention. She was wary of Homer at first but agreed to have a study date with him, only to find out that Homer was only doing this to get her to go to prom with him. She ended up going with Artie Ziff. Artie took her home and she later picked up Homer, who she found walking home, in her car. Marge told him how much she regretted going to the prom with Artie instead of him, causing Homer to fix the strap of her dress with the corsage he got her.  The Way We Was
*1977: Homer and Barney go on The Gong Show.
*1979: Sheldon Skinner, Arnie Gumble, Iggy Wiggum, Etch Westgrin and Griff McDonald died in a parade float accident.
*1980: In one account, Homer Simpson and Marge Bouvier conceive Bart Simpson in a castle at Sir Putt-A-Lot's Merrie Olde Fun Centre, and get married at Shotgun Pete's chapel by the state border. Homer gets a job at Springfield Nuclear Power Plant to support his family.As seen in "I Married Marge", though later episodes such as "That '90s Show", "Dangerous Curves", and "The Star of the Backstage" show Homer and Marge to be unmarried and childless in the late 1980s and 1990s. Present-day Bart in "That '90s Show" and "A Midsummer's Nice Dream", and Lisa in "The Star of the Backstage", are unfamiliar with 1990s culture as well.
*1983: Marge discovers she is pregnant with Lisa Simpson."Lisa's First Word"
*Spring–summer 1984: Homer, Bart, and a heavily pregnant Marge move out of their apartment on Lower East Side of Springfield into 742 Evergreen Terrace next door to Ned and Maude Flanders. Three weeks later, Grampa is shipped off to the Springfield Retirement Castle. Lisa is born either during the Olympics or the day the "Where's the beef?" debate between Walter Mondale and Gary Hart is reported in the newspapers."Lisa's First Word" compresses the timeline of 1984. While the Olympics opened in July in the real world, the Mondale—Hart debate was in March and the Soviet Union and its allied countries announced their boycott of the Olympics in May. Due to the floating timeline, later episodes such as "That '90s Show", "Dangerous Curves", and "The Star of the Backstage" show Homer and Marge to be unmarried and childless in the late 1980s and 1990s, and "Dangerous Curves" shows Ned and Maude as newlyweds in 1988. Present-day Bart in "That '90s Show" and "A Midsummer's Nice Dream", and Lisa in "The Star of the Backstage", are unfamiliar with 1990s culture as well.
*October 31, 1984: The Simpsons get Snowball I as a pet.
*1985: Marge's father Clancy Bouvier dies from a heart attack due to his chain smoking.
*1986: Krusty suffers a near-fatal heart attack on the air.
*1986: Joe Quimby becomes the mayor of Springfield.
*October 28, 1986: The Be Sharps performs at the centennial of the in New York City.
*1988: After Homer and Marge crash their bikes, newlyweds Ned and Maude pick them up. Later, they go to Kozy Kabins where Ned makes Homer and Marge live in separate rooms from each other because they are not yet married. The next day, Homer makes a carving into a tree that says Marge + Homer 4Ever."Dangerous Curves" first aired in 2008 and the Ned and Maude flashbacks are set 20 years before the present.
*October 4, 1989: Hubert Simpson passes away; the Simpsons family attends his funeral.
*October 31, 1989: Snowball passes away and is replaced by Snowball II.
*December 24, 1989: The Simpsons get Santa's Little Helper as a pet for Christmas."Simpsons Roasting on an Open Fire"
*1990: Sideshow Bob frames Krusty for armed robbery. Bart exposes Sideshow Bob, who then gets arrested.
*1990: Homer falls off a cliff.
*1991: Homer finds out he has a long-lost half-brother named Herb Powell.
*1991: Abe's girlfriend Beatrice Simmons passes away.
*1992: Sideshow Bob marries Selma Bouvier. However, she divorces him after he tries to blow her up on a honeymoon.
*1992: The Itchy & Scratchy Movie is released into theaters. It will later be re-shown in 3D around 40 years later in 2032.
*February 19, 1993: Krusty has his 29th Anniversary Show.Shown in "I Love Lisa", which is set from Valentine's Day to Presidents' Day, although a clip in the episode shows Robert Frost in 1963, and "Bart of Darkness" has Krusty interviewing George Meany on a classic television clip in 1961. The episode cannot be set in February 1992 either as Bill Clinton is the president in the audience.
*1993: Bart and Lisa try to make their own Itchy and Scratchy cartoon. Meanwhile, Homer takes a test to graduate high school and passes.as seen in the episode The Front
*1993: The Monty Burns Resort Casino opens in Springfield.
*1994: Homer goes to outer space. 
*1994: Sideshow Bob temporarily becomes the mayor of Springfield by rigging the election with the help of Birch Barlow. 
*1995: A comet hits Springfield. 
*1995: Bart is sent to Australia to apologize for a prank call. 
*1995: Bleeding Gums Murphy passes away. 
*1995: After trying to block out the sun, Mr. Burns gets shot. Maggie is revealed to be the shooter.
*1995: Lisa Simpson becomes a vegetarian.
*1996: Homer beats up former president George H. W. Bush.
*February 11, 1996: Krusty the Clown is busted for tax evasion and fakes his death in a plane crash. He establishes a new identity, Rory B. Bellows. However, abandons the identity shortly after.
*February 25, 1996: Springfield celebrates its bicentennial.
*March 10, 1996: Troy McClure marries Selma Bouvier as a part of a publicity stunt.
*April 21, 1996: Bart, Milhouse, Martin, and Nelson go on a spring break road trip to the World's Fair in Knoxville, Tennessee, only to find out it was 14 years ago.
*1996: Kirk and Luann Van Houten get a divorce.
*1997: A third main character, Poochie, is introduced into The Itchy & Scratchy Show.
*1997: Frank Grimes goes insane and dies from electrocution after grabbing some high-voltage wires.
*November 16, 1997: Apu and Manjula Nahasapeemapetilon get married.
*
*April 25, 1998: Homer is hired as a sting operator by the IRS. During the mission, the agents uncover the trillion-dollar bill Mr. Burns stole. Mr. Burns, Homer, and Smithers flee to Cuba, where Fidel Castro steals the bill from them.
*September 6, 1998: Springfield gets filled with too much garbage, causing them to resort to Plan B: Moving every building at least 5 miles (or more, depending on how much garbage there was) down the road.
*January 9, 1999: Homer and Ned commit bigamy by marrying two cocktail waitresses, Amber and Ginger, during a drunken stupor in Las Vegas.
*1999: The Springfield Isotopes finally win the pennant.
*January 31, 1999: Homer and a new friend, Wally Kogen, take several Springfield citizens to Super Bowl XXXIII in Miami. However, they are locked in a detention cell after their tickets are discovered to be counterfeit.
*March 26, 1999: Red Barclay dies of “beef poisoning” during a steak-eating contest against Homer Simpson.
*1999: Mr. Burns captures the Loch Ness Monster.
*November 23, 1999: At 12:15 AM, The Nahasapeemapetilon Octuplets are born.Eight Misbehavin'
*December 1999: A new toy is made called the Funzo.
*February 1, 2000: Ned's wife, Maude Flanders dies at a racecourse after being hit by some folded shirts. Ned Flanders is left distraught.Alone Again, Natura-Diddily
*February 17, 2000: The staff of PBS try to kill Homer. However, Reverend Lovejoy stows him away on a plane to the South Pacific to become a missionary.
*April 20, 2000: Barney Gumble gives up alcohol.
*2000: Springfield splits into two town, Old Springfield and New Springfield, after a new area code is established.
==21st Century==
*February 18, 2001: Krusty airs his final show. Meanwhile, Sideshow Bob hypnotizes Bart in order to kill Krusty.Day of the Jackanapes
*February 24, 2001: The 97th annual Springfield Marathon is held.New Kids on the Blecch
*2001: Homer goes on a hunger strike to expose H.K. Duff's plan to move the Springfield Isotopes to Albuquerque."Hungry, Hungry Homer"
*2001: Praiseland opens in Springfield.
*December 2001: Lisa Simpson becomes a Buddhist.
*2002: Bart creates Angry Dad.
*2002: Apu and Manjula run into marital problems when Apu has an affair with Annette, the Squishee dispenser lady.
*September 2002: After an important achievement test, Bart is pushed down to the third grade, and Lisa is pushed up to the third grade.
*January 19, 2003: Planes are rerouted over Evergreen Terrace. The Simpson Family tries to sell their house.
*March 27, 2003: Marge and Homer go and complain to Congressman Wilcox. He suffers a heart attack and dies. The state republicans elect Krusty to be their candidate.
*June 28, 2003: Snowball II passes away.
*July 3, 2003: Lisa gets a new cat who she names Snowball V. She previously got a Snowball III and a Snowball IV (aka Coltrane), but they both died.
*August 16, 2003: The Sumatran Century flower blooms for the first time in 100 years.
*September 20, 2003: The Simpsons go to England. While they are there, Abraham meets Edwina for the first time in 59 years.
*2003: During an SUV bubble, Homer and Marge are nearly seduced by Sylvia and Alberto when they are separately taken to Kozy Kabins. Not wanting each other to know about the pressure on their marriages, they hide Alberto and Sylvia in a box. Alberto and Sylvia meet each other in the box and fall in love."Dangerous Curves" first aired in 2008, and the Alberto and Sylvia flashbacks are set five years before the present.
*2004: Seymour Skinner and Edna Krabappel almost get married. However, Edna calls off the wedding and she begins dating Comic Book Guy.
*2004: Homer establishes a short-lived identity, Pie Man.
*Summer 2004: Homer and Marge ditch Uncle Tyrone's birthday in Dayton, Ohio and go to Miami, Florida to have a second honeymoon and make the most of their vacation.
*December 23, 2004: The 55th annual Donkey Basketball game is held at Springfield Elementary School.
*January 20, 2005: Bart goes to a Murder 4 Life rap concert in Springfield. He fakes being kidnapped as an alibi so Homer and Marge will not know he went.
*February 6, 2005: Homer and Ned star in the halftime show for Super Bowl XXXIX. However, it receives backlash because of its religious nature.
*2005: Gay marriage is legalized in Springfield and Patty Bouvier is now identified as a lesbian.
*2005: Selma travels with the Simpsons to China and adopts Ling Bouvier by having Homer pretend to be her husband.
*2005: Montgomery Burns State Prison opens in Springfield.
*May 10, 2005: After a shaving accident at the Springfield Mall, Bart and Lisa hide in the movie theater with Homer. They watch a film titled Left Below, which convinces Homer that the Rapture is coming.
*July 29, 2005: Kirk and Luann decide to begin seeing each other again after running into each other at Maggie’s pox party. However, when Milhouse and Bart try to separate them again, this inadvertently causes Homer and Marge to briefly split up.
*December 11, 2005: Sideshow Bob now has an Italian wife, Francesca Terwilliger, and a son named Gino Terwilliger.The Italian Bob
*April 30, 2006: The Itchy and Scratchy Musical is shown and Springfield Elementary School becomes gender-segregated for a short period of time.Girls Just Want to Have Sums
*2006: Homer's Vegas wife, Amber dies of an overdose.
*Summer 2007: Homer makes Springfield become the most polluted city in the history of the planet. Russ Cargill tries to make sure it does not spread. Homer takes his family with him to Alaska where they can start a new life. They find out that Russ Cargill is planning to blow up Springfield to start a second Grand Canyon. They go back to Springfield to save everyone.The Simpsons Movie
*2007: Kirk and Luann Van Houten get remarried.
*February 1, 2008: Homer unintentionally destroys Fast-Food Boulevard, but then later makes up for it when he tells everyone they need to rebuild Fast-Food Boulevard bigger and better than ever. To rebuild it, they need a bond issue that they make part of their next election, the Springfield presidential primary. They move it to next Tuesday, just a week ahead of New Hampshire.
*2008: After a prank gone horribly wrong, Bart and Lisa believe that they have killed Martin Prince and are turning into monsters. However, 3 days later, it is revealed Martin is still alive and they never actually killed him. 
*May 11, 2008: Homer's mother Mona passes away.
*July 4, 2008: The Simpsons go to Kozy Kabins on a 4 July weekend. Homer and Marge discover the affairs that each other almost had with Alberto and Sylvia, who are now married and have their own child named Ruthie. Homer tries to show Marge the Marge + Homer 4Ever carving on the tree to save their marriage. Marge reminds Homer their marriage is in them, not on a piece of bark. Suddenly, the tree tips over and they hang on to the piece of bark tearing off of the tree, which stops before they reach the surface of the river. Luckily, Bart, Lisa, and Maggie come by in a pedal car that Bart drove into the river and Homer and Marge get in."Dangerous Curves"
*October, 2008: Lenny wins a lottery ticket, and celebrates at a luxury hotel. While there, Bart meets Simon Woosterfield, and they trade places.
*2009: Homer and Marge take Bart and Lisa to Waverly Hills where they can get a better education.
*February 12–28, 2010: The Simpsons go to compete in the 2010 Winter Olympics in Vancouver, Canada. Marge manages to win demonstration gold for the United States, giving them their first and only medal of the entire Olympics.
*2011: Lisa discovers a false classroom hidden under Springfield Elementary School.
*February 19, 2012: The Simpsons move to The Outlands after being banished from Springfield.At Long Last Leave
*June 2012: Lady Gaga pays a visit to Springfield to help everyone feel better about themselves.
*March 31, 2013: Bart is falsely accused of pulling a prank on Easter that involves eggs getting blown out of trumpets and breaking when hitting everyone. Several days later, Groundskeeper Willie is revealed to be the true culprit.
*2013: Homer, Lenny, and Moe find out that Carl's ancestors let barbarians invade Iceland 1000 years ago that caused them to never show their faces in public again. However, Homer, Lenny and Moe tell the people of Iceland about the nice things that Carl has done for them, redeeming his family forever. Carl's relatives can finally show their faces in public for the first time in 1000 years.
*November 4, 2013: Homer helps Gretchen deliver a baby, whom Gretchen names Homer, Jr.
*January 12, 2014: Comic Book Guy married Kumiko.
*March 9, 2014: Mrs. Edna Krabappel-Flanders dies.The Man Who Grew Too Much
* July 4, 2014: Bart saves the citizens of Springfield from the fireworks sequence by shielding them with the Springfield Retirement Castle van.
* September 28, 2014: Rabbi Hyman Krustofski dies of old age.Clown in the Dumps
* 2015: Springfield Elementary School's mathletes beat the Waverly Hills Mathletes thanks to lower standards.Mathlete's Feat
* December 10, 2017: Sideshow Bob and Bart are now friends.Gone Boy
* April 7, 2019: Marge directs her first popular off-Broadway musical.I'm Just a Girl Who Can't Say D'oh
* December 15, 2019: Sideshow Bob gets contracted as a Mall Santa and tracks down the thieves who are stealing Christmas presents.
*November 29, 2020: Seymour Skinner and Gary Chalmers take an 800-mile car ride to Cincinnati.
*December 13, 2020: Mary Tannenbaum arrives to Springfield to fix a Christmas movie.
== Citations ==
Category:Events