1867 CE
Jacob Arrives on the Island
Jacob arrives on the island with his brother (the Man in Black) after being shipwrecked. Their mother, the previous protector, raises them. #lost #jacob #origin )
Chronological Storyline (42 Milestones)
1954 CE
The Hydrogen Bomb (Jughead) Arrives
Alvar Hanso's team brings a hydrogen bomb to the island in 1954, which is later used in the Incident. #lost #jughead #bomb )
May 15, 1977 CE
DHARMA Initiative in the 1970s
The surviving castaways integrate into the DHARMA Initiative in 1977, with Sawyer becoming a security leader, Jin as a carpenter, and Juliet as a physician. #lost #dharma #1970s
Jun 20, 1977 CE
The Incident at the Swan Site
The castaways attempt to detonate a hydrogen bomb (Jughead) to prevent the Swan station's construction, resulting in Juliet's death and a time shift. #lost #incident #jughead
Sep 22, 2004 CE
Oceanic Flight 815 Crashes
Oceanic Flight 815 breaks apart mid-air and crashes on a mysterious island in the South Pacific. Survivors include Jack Shephard, Kate Austen, Charlie Pace, and John Locke. #lost #tvshow
By Kizar - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=10477388
Sep 23, 2004 CE
Pilot Killed by Smoke Monster
Jack, Kate, and Charlie find the cockpit and retrieve the transceiver. The pilot is killed by the Smoke Monster, the island's mysterious guardian. #lost #smokemonster )
Sep 28, 2004 CE
Sayid Finds Rousseau's Distress Signal
Sayid Jarrah fixes the transceiver and hears a French distress signal repeating for 16 years, from researcher Danielle Rousseau. #lost #distresssignal
Oct 3, 2004 CE
Locke Discovers the Hatch
John Locke discovers a hidden metal hatch buried in the jungle, sparking a mission to open it. #lost #hatch
Oct 24, 2004 CE
Boone Dies
Boone Carlyle dies after pushing a plane off a cliff to communicate with the outside world, a pivotal moment for Locke. #lost #boone
Nov 13, 2004 CE
Hatch Opened; Desmond Revealed
Locke and Jack open the hatch, revealing a DHARMA Initiative station called the Swan. Inside, Desmond Hume has been pressing a button every 108 minutes. #lost #desmond #dharma
Nov 15, 2004 CE
Tail Section Survivors Found
The tail section survivors, including Ana Lucia Cortez, Mr. Eko, and Libby, are discovered by the beach camp. #lost #tailsection
Nov 20, 2004 CE
The Others Take Walt
The Others, the island's secretive inhabitants, kidnap Walt Lloyd from the survivors' camp. #lost #others #walt )
Dec 1, 2004 CE
DHARMA Orientation Film Revealed
Jack, Locke, and Kate watch the orientation film for the Swan station, learning about the DHARMA Initiative's experiments. #lost #dharma #orientation
Dec 24, 2004 CE
Swan Hatch Implodes
Desmond turns the failsafe key, causing the hatch to implode and releasing a massive electromagnetic energy burst. The hatch is destroyed. #lost #swan #implosion
2004 CE
DHARMA Initiative's Purpose
The DHARMA Initiative is a scientific research project founded in the 1970s to study the island's unique properties, including electromagnetic energy, time travel, and healing. #lost #dharma #science
2004 CE
Flash-Sideways Purgatory Revealed
The flash-sideways timeline is revealed to be a purgatory where the main characters (both living and dead) meet after death. In the church scene, they remember their island lives and move on together. #lost #purgatory #church
Jan 5, 2005 CE
Mr. Eko Dies
Mr. Eko is killed by the Smoke Monster after failing to confess his sins. #lost #eko
Feb 10, 2005 CE
Desmond Experiences Time Travel
Desmond's consciousness begins to travel back in time after the hatch implosion, showing him visions of the past. #lost #desmond #timetravel
Mar 1, 2005 CE
The Pearl Station Discovered
Locke and Mr. Eko find the Pearl station, which monitors the Swan's button-pushers, revealing the DHARMA Initiative's deceptive psychology experiment. #lost #pearl #station
Mar 20, 2005 CE
Ana Lucia and Libby Killed
Michael Dawson, manipulated by the Others, murders Ana Lucia and Libby to free Walt. #lost #michael #others
Apr 15, 2005 CE
Oceanic 6 Escape the Island
Jack, Kate, Sayid, Hurley, Aaron, and Sun escape the island on a small boat, becoming known as the Oceanic 6. #lost #oceanic6
Apr 16, 2005 CE
Ben Moves the Island
Benjamin Linus turns the frozen wheel under the Orchid station, causing the island to teleport in time and space, stranding the survivors in 1977. #lost #ben #frozenwheel
2005 CE
Freighter Kahana Arrives
The freighter Kahana, sent by Charles Widmore, arrives at the island, bringing more castaways and danger. The freighter eventually explodes. #lost #freighter #kahana
Oct 5, 2007 CE
Ajira Flight 316 Crashes
The Oceanic 6 return to the island via Ajira Flight 316, which crashes in 2007. Jack, Kate, Sayid, Hurley, and Sun return along with new characters. #lost #ajira316
Oct 8, 2007 CE
The Temple and Dogen
The survivors reach the Temple, where Dogen and the Others protect the island's secrets. The Smoke Monster attacks the Temple, killing many. #lost #temple #dogen )
Oct 12, 2007 CE
The Lighthouse and Candidates
Jack discovers the Lighthouse, another DHARMA station, which contains a set of mirrors pointing to the island's candidates. Jacob's influence is revealed. #lost #lighthouse #candidates )
Oct 20, 2007 CE
Jacob's Backstory Revealed
Jacob is shown visiting the castaways throughout their lives, and his conflict with the Man in Black is explained. #lost #jacob #maninblack )
By Infinityyyshere - Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=157498963
Nov 1, 2007 CE
Richard Alpert's History
Richard Alpert's backstory is revealed: he was brought to the island in 1867 by Jacob and has served as his intermediary. #lost #richardalpert
By Joan Halifax (Santa Fe, New Mexico) - zalman, ramdass, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=85194073
Nov 10, 2007 CE
Submarine Explosion
The submarine carrying many survivors explodes while trying to leave the island, killing Sun, Jin, and Michael. #lost #submarine #death )
Nov 15, 2007 CE
Jacob Killed by Ben
Ben Linus, manipulated by the Man in Black, kills Jacob at the statue. #lost #jacob #ben )
Nov 18, 2007 CE
The Final Confrontation
Jack, Kate, Sawyer, and Hurley face the Man in Black (in Locke's form) at the heart of the island. Desmond is used to shut down the island's light. #lost #finale #maninblack )
Nov 19, 2007 CE
Jack Dies on the Island
Jack sacrifices himself, dying in the bamboo forest after re-igniting the island's light. His eye closes, mirroring the first scene of the series. #lost #jack #death
Nov 19, 2007 CE
Jack Kills the Man in Black
Jack kills the Man in Black by throwing him off a cliff after the island's light is extinguished. Kate shoots him but he survives the fall? Actually, Jack throws him into the source? Wait: In the finale, Jack stabs him? I need to be accurate. According to Lostpedia: Jack fights the Man in Black and kicks him off a cliff after Kate shoots him? Let's simplify: Jack saves the island by killing the Man in Black. #lost #jack
Nov 20, 2007 CE
Survivors Leave the Island
Kate, Sawyer, Claire, Miles, Richard Alpert, and Frank Lapidus leave the island on the Ajira plane. Hurley becomes the new protector of the island. #lost #survivors #leave
2007 CE
Charles Widmore's Role Revealed
Charles Widmore, former leader of the Others, is revealed to have been banished from the island and is trying to regain control, leading to conflict. #lost #widmore
2007 CE
Juliet's Experiment on Pregnancy
Juliet Burke, a DHARMA researcher, is involved in experiments to prevent pregnant women from dying on the island, a key mystery. #lost #juliet #pregnancy
2007 CE
The Black Rock Shipwreck
The Black Rock, a 19th-century slave ship, is revealed to have crashed on the island early in its history, bringing Magnus Hanso and others. #lost #blackrock #history
2007 CE
The Numbers (4, 8, 15, 16, 23, 42) Explained
The recurring numbers are revealed to be the final candidates for Jacob's replacement, originating from the Valenzetti Equation. #lost #numbers #mystery )
2007 CE
Desmond's Constant
Desmond's love for Penny Widmore is his constant, allowing him to travel through time and resist the island's effects. #lost #desmond #penny
2007 CE
Hurley Becomes Island Protector
After Jack's death, Hurley becomes the new protector of the island, with Ben as his advisor. #lost #hurley #protector
2007 CE
The Source of the Island
The heart of the island is revealed to be a glowing cave of light, the source of all life and time. The Man in Black attempts to destroy it to escape. #lost #source #island )
2007 CE
Smoke Monster Identified as Man in Black
The Smoke Monster is revealed to be the Man in Black, Jacob's nemesis, who takes the form of the dead to manipulate the living. #lost #smokemonster #maninblack