This is a timeline of events in Gravity Falls. The series takes place in the summer of 2012.
|c. 65 million BCE||Dipper and Mabel travel back in time and are nearly eaten by a dinosaur.||"The Time Traveler's Pig"|
|c. 30 million BCE||The Flying saucer crashes into Earth, forming the valley of Gravity Falls.||Gravity Falls: Journal 3|
|c. AD 1000||Gravity Falls' native population evacuates the valley under fear of the land being cursed, leaving pottery, blankets, and remnants of their language behind.||Gravity Falls: Journal 3|
|1837||Quentin Trembley wins the 9th Presidential Election in the United States of America in a literal landslide.||"Irrational Treasure"|
|June 18, 1842||8½th United States President Quentin Trembley discovers the valley of Gravity Falls and subsequently founds the town.||"Irrational Treasure"|
|1850||Gravity Falls experiences a lesser-known "Flannel Rush" following the Gold Rush.||Gravity Falls: Journal 3|
|1851||Miners in the valley claim sightings of "prehistoric beasts", causing the mines to grow abandoned.||Gravity Falls: Journal 3|
|1862||Mabel and Dipper travel back in time by 150 years. Fertilia and her family travel on the Oregon Trail.|
Nathaniel Northwest is deemed the founder of Gravity Falls, and tricks the townspeople into building the Northwest Manor on the false promise of allowing them into their annual party.
|"The Time Traveler's Pig", "Northwest Mansion Mystery"|
|1863||Construction of Northwest Manor is completed, and the townsfolk and lumberjack involved in it's construction are denied entry to the first Northwest Fest. The head lumberjack, Archibald Corduroy, is subsequently killed in the Great Flood moments before cursing the Northwest Family.||Gravity Falls: Journal 3|
|1883||To escape imprisonment, Blendin Blandin travels back in time to live as a 19th century pocket watch repairman, inadvertantly instigating the Great Train Crash of '83 by distracting a passing train conductor with his time machine.||Gravity Falls: Journal 3|
|1885||The birth of someone who is eventually buried in Gravity Falls Cemetery. (Died 1959)||"The Love God"|
|1908||The birth of someone who is eventually buried in Gravity Falls Cemetery. (Died 1972)||"The Love God"|
|c. 1909||Eustace Huckabone Befufftlefumpter is born.||"Northwest Mansion Mystery"|
|1920||Gravity Falls' current mayor places a prohibition on maple syrup, leading to the creation of Pancake Speakeasies by town residents.||Gravity Falls: Journal 3|
|1937||Amelia Earhart allegedly escapes into the Gravity Falls forests following the crashing of her plane into the surrounding mountains.||Gravity Falls: Journal 3|
|1947||An unidentified flying object heading east is sighted over the town, and Sprott's father claims to have shot it with his shotgun.||Gravity Falls: Journal 3|
|Late 1940s - early 1950s||Twin brothers Stanley and Stanford Pines are born in Glass Shard Beach, New Jersey.||"A Tale of Two Stans"|
|1959||The death of someone who is eventually buried in Gravity Falls Cemetery. (Born 1885)||"The Love God"|
|Late 1950s – early 1960s||Filbrick Pines enrolls his sons in boxing lessons to teach them self-defense against bullies.||"Dreamscaperers"|
|Early 1960s||Stan and Ford start rebuilding an old ship they found in a cave.|
Train parts are salvaged from the Great Crash wreckage and are used to house the Greasy's Diner restaurant.
|"A Tale of Two Stans"|
Gravity Falls: Journal 3
|Late 1960s – early 1970s||Stan's boxing skills help him save Carla McCorkle from a robbery. Their relationship takes off.||"Dreamscaperers"|
|1970s||Carla leaves Stan for Thistle Downe.||"Boyz Crazy"|
|Early 1970s||The Pines family disowns Stanley after his accidental destruction of Stanford's science project costs them potential millions.|
After being rejected from West Coast Tech, Ford enrolls in Backupsmore University.
|"A Tale of Two Stans"|
|1971||The death of someone who is eventually buried in Gravity Falls Cemetery (who was born in 1989).||"The Love God"|
|1972||The death of someone who is eventually buried in Gravity Falls Cemetary (Born 1908)||"The Love God"|
|1972–1982||Stan Pines, now a drifter, tries his hand at solo treasure hunting. It goes about as well as could be expected.|
Dipper and Mabel time travel, ending up in front of the Mystery Shack and almost getting seen by Ford.
Stan travels in and out of the United States in this time as a salesman and moderately successful conman. Among his lineup are the "Shammy," the "Rip-Off," and the "Stan-Vac." He also goes to prison at least 3 times.
|"A Tale of Two Stans", "The Time Traveler's Pig"|
|c. 1973||Ford is accepted into a doctoral program three years ahead of schedule. He receives a research grant of $100 thousand, for use in the field of his choice.||"A Tale of Two Stans"|
|1975||Ford begins to research Gravity Falls and documents his findings in Journal 1.||"Tourist Trapped", "A Tale of Two Stans"|
|1981||Ford finds the cave drawings that depict Bill Cipher and summons him, hoping he will give him the answers to the mysteries of Gravity Falls. Ford and Bill become partners and start work together. Bill suggests Ford build a universe portal.
Fiddleford McGucket ditches his production of a personal computer and works as a research assistant to Ford in the construction of the portal.
|"The Last Mabelcorn", "Society of the Blind Eye", "A Tale of Two Stans"|
|June 18, 1981||Ford begins to write Journal 3, six years since beginning of his research on Gravity Falls.||"Tourist Trapped"|
Map of Gravity Falls is made and placed in the bunker which is built.
Ford and McGucket test the portal. Due to an accident, Fiddleford gets sucked into it and reveals there is a nightmare realm on the other side, but Ford rescues him. Fiddleford McGucket leaves Ford's project and founds the Blind Eye Society. His mind begins to deteriorate due to repeated use of his memory erasing gun.
Ford sends Stan a postcard requesting his help.
The Government takes notice of some odd readings in Gravity Falls, Oregon.
"Into the Bunker", "A Tale of Two Stans", "Society of the Blind Eye", "Scary-oke",
|1989||The birth of someone who is buried in Gravity Falls Cemetery (who died in 1971).||"The Love God"|
|July 13, 1990||Jesus "Soos" Alzamirano Ramirez is born.||"Blendin's Game"|
|1991||The controversial 1991-1992 edition of Dungeons, Dungeons, and More Dungeons is released.||"Dungeons, Dungeons, and More Dungeons"|
|1990–95||Jeffy Fresh, Byrone, and Rosie are living in Gravity Falls.|
|May 2, 1995||Ma and Pa Duskerton die, assuming the newspapers weren't replaced after their death.||"The Inconveniencing"|
|August 1996 – May 1997||Wendy Corduroy is born.||"Double Dipper"|
|1997||There is a costume store in the area the Mystery Shack is located, possibly part of the Mystery Shack itself.||"The Time Traveler's Pig"|
|1998–99||Marius von Fundshauser is born.||"Northwest Mansion Mystery"|
|August 31, 1999||Twins Mabel and Dipper Pines are born.||"The Inconveniencing," "Dipper and Mabel vs. the Future"|
|June – July 2002||Gideon Gleeful is born.||"Blendin's Game"|
|July 13, 2002||Soos turns twelve, and comes to the realization that his father is not coming back to see him. Soos begins to work at the Mystery Shack.||"Blendin's Game"|
|2002||The wax figures are put into storage.||"Headhunters," "Blendin's Game"|
|October 10th, 2006||Dipper and Mabel are in 2nd grade. There is photo day at their school.||"Weirdmageddon 2: Escape From Reality"|
|c. 2009||Mabel wins first place in a junior mini-golf competition.
Robbie gets his hoodie in 7th grade.
|"The Golf War"|
|February 14th, 2009||Dipper and Mabel are in fourth grade. Dipper doesn't get any Valentines and gets teased. However, Mabel gives him some of her Valentines.||"Weirdmageddon 2: Escape From Reality"|
|≈2011||Soos predicts Duck-tective to have a secret twin brother.||"Dungeons, Dungeons, and More Dungeons"|
|May 2012||Dipper discovers Journal 3.||"Tourist Trapped"|
|June 1–3, 2012||The latter events of "Tourist Trapped" and the events of "The Legend of the Gobblewonker" take place.||"Tourist Trapped," "The Legend of the Gobblewonker"|
|June 7||The Unveiling of the Wax Museum of Mystery takes place.||"Headhunters"|
|June 8-9||The latter events of "Headhunters" take place.||"Headhunters"|
|June 10-13||The events of "The Hand that Rocks the Mabel" take place.||"The Hand that Rocks the Mabel"|
|June 13-14||The events of "The Inconveniencing" take place.||"The Inconveniencing"|
|June 14-18||The events of "Double Dipper" and "Irrational Treasure" take place.||"Double Dipper," "Irrational Treasure"|
|June 16, 2012||Opening day of Pony Heist. The Pines and Soos go to the movies.||"Mabel's Scrapbook: Heist Movie"|
|June 20, 2012||Dipper takes a closeup photo of Stan's partial tattoo.||"Stan's Tattoo"|
|June 18-21||The events of "The Time Traveler's Pig" through "Little Dipper" take place.||"The Time Traveler's Pig", "Fight Fighters," "Little Dipper"|
|June 22, 2012||Gravity Falls celebrates Summerween, and the events of "Summerween" occur.||"Summerween"|
|June 23, 2012||Dipper takes a photo of Stan's back and partial tattoo. Stan noticed.||"Stan's Tattoo"|
|June 25, 2012||Dipper takes another photo of Stan's back and partial tattoo.||"Stan's Tattoo"|
|July 3, 2012||The due date for TK618 to be returned to the Gravity Falls Library.||"Stan's Tattoo"|
|July 5-11||The events of "Boss Mabel" through "Land Before Swine" take place.||"Boss Mabel," "Bottomless Pit," "The Deep End," "Carpet Diem," "Boyz Crazy," "Land Before Swine"|
|July 13, 2012||The events of "Blendin's Game" take place. (Note: due to a continuity error, this episode is said to take place on different dates in the series and in Journal 3.)||"Blendin's Game"|
|July 15-21||The events of "Dreamscaperers" through "Scary-oke" take place.||"Dreamscaperers," "Gideon Rises," "Scary-oke"|
|July 21-23||The events of "Into the Bunker" take place.||"Into the Bunker"|
|July 23-August 22||The events of "The Golf War" through "Roadside Attraction" take place. (Note: due to a continuity error, "Blendin's Game" is said to take place on different dates in the series and in Journal 3.)||"The Golf War," "Sock Opera," "Soos and the Real Girl," "Society of the Blind Eye," "Blendin's Game," "The Love God," "Northwest Mansion Mystery," "Not What He Seems," "A Tale of Two Stans," "Dungeons, Dungeons, and More Dungeons," "The Stanchurian Candidate," "The Last Mabelcorn," "Roadside Attraction"|
|August 23, 2012||The events of "Dipper and Mabel vs. the Future" take place.||"Dipper and Mabel vs. the Future"|
|August 23 – 25, 2012||Weirdmageddon takes place.||"Weirdmageddon Part 1," "Weirdmageddon 2: Escape From Reality," "Weirdmageddon 3: Take Back The Falls"|
|August 26, 2012||The town starts recovering from Weirdmageddon,The Mystery Shack gets reconstruction ,Stan recovers his memories with the help of Mabel's scrapbook and old home movies of Ford and Stan's childhood.The Journals are later revealed to be unharmed as they were found by Soos .||Gravity Falls: Journal 3|
|August 31, 2012||Few days after the events of Weirdmageddon, Dipper and Mabel celebrate their 13th birthday with all of the townsfolk in the Mystery Shack, Stan Pines retires and gives ownership of the Mystery Shack to Soos. The family decides to throw the journals into the Bottomless Pit.||"Weirdmageddon 3: Take Back The Falls," Gravity Falls: Journal 3|
|September 1, 2012||Dipper and Mabel leave Gravity Falls to Piedmont, California.||"Weirdmageddon 3: Take Back The Falls"|
|3012||The predicted end of the world.||"Mailbox"|
|207̃012||The year Blendin Blandin is from.|
Blendin is sent to Infinetentiary, then escapes. He invokes Globnar against the Pines twins.
|"The Time Traveler's Pig," "Blendin's Game"|
- The film about Quentin Trembley states he was elected in 1837 as the 8½th President of the United States, but there were elections in 1836, that in it Martin Van Buren was elected eighth President, and in 1840, Trembley's alleged replacement William Henry Harrison (who had lost in 1836) defeated Van Buren's bid for reelection and became the ninth President of the United States.
- Blendin Blandin comes from the year 207̃012. However, this contradicts the idea that the end of the world will occur in 3012 (according to the Mailbox). This discrepancy might be explained by the fact that year 207̃012 may happen between 2012 and 3012 or in an alternate timeline, or that Time Baby has rebuilt the world since 3012.
- However, in the cipher from "Weirdmageddon Part 1," it says that Time Baby's particles will take 1000 years to reform, and because the show takes place in 2012 it would mean that in 1000 years his molecules will come back together, and that matches the date that the Mailbox gave.
- "Blendin's Game" takes place on July 13th, Soos' birthday, in the series, but in Journal 3 the events of this episode are said to happen between July 23rd and August 25th.
|Events in and around Gravity Falls (Timeline)|
|Fishing Season: Opening Day | Glove Story: A Sock Opera | Mystery Fair | Mystery Shack is Back | Northwest Fest | Party at the Mystery Shack | Pioneer Day | Summerween | Weirdmageddon | Woodstick|