Before 20th Century

"Before creation itself, there were six singularities. Then the universe exploded into existence, and the remnants of this system were forged into concentrated ingots... Infinity Stones."

- Collector

This is a timeline of events that occurred before the 20th century.

c. 13,800,000,000 B.C.

 * Before the universe began, six singularities existed. These were formed into the six Infinity Stones (Space, Mind, Reality, Power, Soul, and Time) by the Cosmic Entities some time after the universe came into existence.

c. 83,000,000 B.C.
Ego then later says "millions and millions". This is also a hard number to quantify, but can be boiled down to either meaning millions + millions (so × 2), or millions on top of millions, like building to the power of 2 (so × 2², or × 4). From this, one could say that it is around × 3. Therefore, one could approximate that "millions and millions" means roughly 41.33333 × 3 = 124 million years. The average of these two is (41.33333 + 124) ÷ 2 = 82.66667 million years, meaning overall, Ego was born approximately 82,666,666.66667 years before late 2014, so around late 82,664,653 B.C. - or c. 83,000,000 B.C. to 2 significant figures (to signify that it is a very rough approximation). The Celestial scenes shown by the Collector in Guardians of the Galaxy can be assumed to have occurred around the same era.
 * The Celestials use the Power Stone to impose judgment upon enemy civilizations. Over time, the Beings are overwhelmed by the Stone's power and attempt to dispose of it by encasing it in an Orb and storing it away in the Temple Vault on Morag.In Guardians of the Galaxy Vol. 2, Ego says he has been building his planet, since he came into existence, for "millions of years". "Millions" would technically refer to a minimum of 2 million years, and a maximum realistically of 9.99999 - up to 19.99999, which is just before it becomes "tens of millions" - so a weighted average of roughly maximum 13.33333 million years. This would mean that "millions" strictly refers to approximately (2 + 13.33333) ÷ 2 = 7.66667 million years. However, it is rare for people to refer to "tens of millions" or "hundreds of millions", and this needs to be taken into account - that Ego may simply be referring to any number ending in "millions", be it units, tens, or hundreds. The middle of these is tens of millions, which is absolute minimum 10, realistic minimum 20, to realistic maximum 99.99999, absolute maximum 199.99999 - therefore about (((10 × 1 + 20 × 2) ÷ 3) + ((99.99999 × 2 + 199.99999 × 1) ÷ 3)) ÷ 2 = 75 million years. Finally, averaging these two figures, you get around (7.66667 + 75) ÷ 2 = 41.33333 million years, as an approximation for "millions".
 * The Celestial Ego is born. After gaining self-consciousness, Ego creates layers of matter around himself, eventually forming a new planet over millions of years. Ego explores the universe in an attempt to find life besides himself, and feels disappointed in what he finds. Eventually, he begins planting seeds within many of these worlds with the intent of using them to absorb all life until only he remains.

c. 27,984 B.C.

 * A Chronicom agent is sent to Earth to study the evolution of the human race. Over the course of the millenia, he assumes the identity of Enoch.

7420 B.C.

 * Buri, the first king of Asgard, is born.

c. 5700 B.C.

 * Agamotto forms the Masters of the Mystic Arts as a league of magic practitioners, dedicated to learning Magic so to safeguard the Earth from dimensional evils.

5289 B.C.

 * Bor Burison is born to Buri, king of Asgard.

c. 3500 B.C.

 * In order to raise their chances in the war against their enemies, a rogue Kree faction visits numerous planets, genetically altering a number of sentient life forms in order to create biological weapons.Terrigen Crystals.png of the planets visited is Earth, and the Kree's experiments give rise to an unique caste of genetically altered Humans. When these humans are deemed ready for war, the Kree expose them to Terrigen Mist, which activates their special genetic ability of Terrigenesis; a process which imbues the human with a power unique to them. They construct the Diviners, containment devices built to hold [[Terrigen Crystals]].
 * The Diviners will only open if one of these genetically altered humans brings them to a cityscape built beneath the planet's surface, releasing the mist so as to "divine" those who have the altered Terrigen Gene. The Kree hierarchy discovers the faction's illegal activities and the operation is abandoned. The Kree disperse from Earth, leaving behind six Diviners, the city, and at least one of their deceased kin. These genetically altered humans eventually start to call themselves "Inhumans".
 * A powerful Inhuman, referred as Alveus, is created by the Kree to dominate the rest of his race, but eventually overpowered his own creators and banished them from Earth.
 * The humans and other Inhumans, afraid of his powers, banished him to a distant planet through a Kree Monolith. Followers of the exiled Inhuman founded a secret society and start planning its return to Earth in order to let him rule it.
 * On the distant planet, the Inhuman finds nine powerful and advanced, yet very divided, civilizations. The Inhuman consumes all life in these civilizations until they are completely wiped out.

3471 B.C.

 * Odin Borson is born to Bor Burison, becoming the heir to the throne of Asgard.

3451 B.C.

 * Odin defeats Surtur in battle. The Fire Demon would then spend nearly 5500 years recovering in Muspelheim, before his encounter with Odin's son, Thor, in 2017.

2988 B.C.

 * The Convergence occurs. The gravitational anomalies that it causes allows the construction of several megalithic monuments, particularly Stonehenge.
 * First Battle of Svartalfheim: The Dark Elves led by Malekith try to destroy the Nine Realms with the power of the Aether. They are stopped by the Asgardian army led by Bor, who successfully seized the Aether. In an effort to save his race, Malekith kills most of his army and much of Bor's army, then puts his remaining forces into a sleep which lasts for millennia. Bor orders for the Aether to be hidden in the deepest area possible, where no one can access it.

718 B.C.

 * Hela Odinsdottir is born to Odin Borson, becoming the rightful heir to the throne of Asgard as his firstborn.

698 B.C.
Overall, it can be assumed that Blanchett is rounding up, intending "a few thousand years". The earliest this event can possibly be, with Hela's date of birth calculated for mid-to-late 718 B.C. (see other references), is Hela beginning fighting with her father in 698 B.C., when Hela is 19 (by both human and Asgardian age, the approximate age at which Asgardians reach adulthood), and then 677 B.C., after about a minimum of 20 years of building the empire, for her imprisonment - only 2714 years before Thor: Ragnarok.
 * Subjugation of the Nine Realms: As Hela reaches adulthood, she begins to fight alongside her father, Odin. Over the years, together, they build Asgard's empire across the realms and build its glory.Cate Blanchett is quoted as saying that Hela was imprisoned for 5000 years. This is not quite possible, as in Thor: The Dark World, Odin says, "We are not gods. We are born, we live, we die. Just as humans do," to which Loki replies, "... Give or take 5000 years." The implication from this is that Asgardians live approximately 5000 years longer than humans, and this matches what we see in Thor, where Odin is shown to be roughly a decade or so younger in 965 A.D. than in 2010, 1045 years later - also proving that Odin does not have an especially long lifespan. Loki's dialogue also matches nicely with the understanding that Asgardians age at a normal human rate until adulthood before slowing down significantly, as it lines up perfectly with Chris Hemsworth and Tom Hiddleston's ages when calculated. For Hela to have been imprisoned for 5000 years, she would have to have been a child when imprisoned, and an elderly woman now - and even if she had not aged in her imprisonment for whatever reason, she would have to be a few thousand years old when she was imprisoned, which would have been only a few hundred years after Odin, her father's birth.

678 B.C.

 * By the time Odin decides to stop his conquest after realising peace is the true way to unite the Nine Realms, Hela's ambition has grown too large, and coupled with her tremondous powers, she ultimately tries to take the throne and Odin is forced to battle and imprison his daughter in the realm of Hel after defeating her, for the safety of the Asgardians. There she was kept for nearly 2700 years, until her escape in 2017. Odin would spend the next several centuries burying her history and pretending she never existed. When his next child, Thor, was born over 1600 years later, he claimed him to be his actual firstborn.

450 B.C.

 * The  is first published.

c. 16 A.D.

 * HandAshesAshes.png elders of K'un-Lun study how to harness the Chi for medical purposes, but five of them wish to use it to gain immortality. The five are banished from the Order of the Crane Mother and later they found the [[Hand]]. The Hand learns how to use dead Dragon bones for the Resurrection Elixir, and starts conquering East Asia. A group called the Chaste stands against the way and a rivalry of thousands years begins.

24th

 * The Hand causes the destruction of the city of, which is later covered up as a natural volcanic eruption.

943 A.D.

 * Massacre of the Valkyrie:
 * After nearly 1600 years of imprisonment, Hela attempts to escape from her prison of Hel.
 * Her father and the man who imprisoned her, Odin, sends his army of Valkyries on their flying steeds to keep her at bay.
 * They attempt to prevent her escape, but Hela is too much for them and she massacres the whole army, save for Brunnhilde, who is saved by one of her teammates.
 * TR Trailer2 29.png during the Massacre of the Valkyrie.]]Odin intervenes and enters Hel. The All-Father manages to overpower and reimprison Hela.
 * Brunnhilde forsakes Asgard and escapes to the junk planet of Sakaar, where she intends to live out the rest of her days drinking and salvaging, attempting to leave her old Valkyrie life behind her.

May

 * Thor Odinson is born to Odin Borson and Frigga, and claimed to be Odin's firstborn child, and thus the heir to the throne of Asgard. He is not told about his imprisoned older sister until the day of his father's death in 2017.

21st

 * Battle of Tønsberg: The Frost Giants of Jotunheim attempt to conquer Midgard/Earth, starting their invasion in Tønsberg, Norway. The Asgardians hear of the attack, assemble their army and prepare for battle.

26th

 * A son is born to Laufey, king of the Frost Giants. He is left out to die in Jotunheim.
 * Battle of Jotunheim: Odin leads the Asgardian army in an epic battle against the Frost Giants, to repel their invasion and protect Midgard.

27th

 * The Asgardians force the Frost Giants back to Jotunheim, where Odin discovers an abandoned Frost Giant infant. He adopts the child, names him Loki, and raises him alongside his own son, Thor. He later negotiates a truce with Jotunheim's king, Laufey.

974 A.D.

 * Loki uses his sorcery to turn himself into snakes, enticing his older brother, Thor, to go and pick him up. Once Thor has done so, Loki turns back into his usual form and stabs Thor, considering it a practical joke.

10th

 * In Asgard, Odin tells his sons Loki and Thor of his success in the battle in Jotunheim, and that they were both born to be kings.

1014

 * The Kree and Nova Empires engage in a war which lasts for over a thousand years.

8th

 * A warrior from Asgard's Berserker Army defects from Asgard to live on Earth. He decides his weapon, the Berserker Staff, which greatly enhances the wielder's strength, is too powerful for anyone to possess, so he breaks it into three pieces and hides each one in different locations across Europe.

2nd

 * The Berserker Warrior receives food and shelter at a monastery in Ireland, where he is venerated as a saint. He shares his true identity with the priests, who have a vow of silence, and hides a piece of the Berserker Staff in the monastery.

26th

 * The Berserker Warrior hides the second piece of his staff inside a tree in the future location of Trillemarka National Park, Norway.

11th

 * The Berserker Warrior hides the final piece of his staff in the catacombs under a church in Seville, Spain.

1342

 * The Ancient One is born.

7th

 * Odin hides the Tesseract in Tønsberg, Norway.

1413

 * Lorelei terrorizes the Nine Realms, using her power of enthrallment to enslave hundreds of men. She is eventually defeated by Sif and imprisoned in Asgard's dungeons.

13th

 * A painting portraying the is finished in Spain.

7th

 * In Asgard, Haldier, the Blacksmith finds the legendary Cup of Glory. He returns to his shop leaving the treasure behind in the Old Mine.

12th

 * Haldier decides he will bring it back from the Old Mine. Loki overhears him, and comes up with his own plan stealing the Cup making Haldier as a liar.

13th

 * Loki is chased by Brunok, the son of Haldier, because Loki insulted his father.
 * Thor stops the chase by grabbing the two of them. Loki suggests they hold a contest of virtue, cleverness and skill the next day to settle the matter, and that they should choose teams.

14th

 * Thor states that the contest will follow the traditional rules of the Virtue Challenge, which they all passed when they became adults. Loki's team and Brunok's team set off riding, until they reach the first challenge of valor they have to retrieve a treasured bone from the Wolves' Treasureyard. Loki wins the challenge and Brunok is incarcerated.

20th

 * Having spent hundreds of years living on Earth, the Berserker Warrior tells his story to a French girl. Her brother, a priest, adapts the story into the legend of "The Warrior Who Stayed".

4th

 * Construction on one of the first sentry boxes at Castillo San Cristóbal is finished. Over time, this particular guerite would be called "The Devil's Sentry" ("La Garita del Diablo"), becoming the subject of a legend in which soldiers disappeared from the sentry box.

1650

 * Madame Gao is interrogated several times.

17th

 * is born.

1723

 * is born.

5th

 * Crispus Attucks dies in the.

16th

 * is born.

10th

 * A record is made of a shipment made in New York by the Hand in one of their many company names. "Abigail King" signs the form.

1833

 * is born.

8th

 * A group of English noblemen, members of HYDRA Society, meet to choose one of them to enter a portal inside a stone monolith.

2nd

 * "Audrey Thompson" signs a business form for the Hand.

21st

 * "Elliot Randolph" visits a castle in England while following rumors of a group of lords who traveled across the stars.

29th

 * Around seven hundred men of one of the militias of the United States Military slaughter a peaceful village of in Sand Creek, Colorado, killing and mutilating around one hundred Indians, mostly women and children. The militiamen waited for the men of the tribe to leave the village, and they attacked the families left behind to claim their land.

23rd

 * Sarah Breedlove, later known as, is born.

14th

 * Abraham Erskine is born in Augsburg, Germany.

Fall

 * by Brahms is published.

24th

 * Erik Weisz, later known as, is born.

30th

 * Winston Churchill is born.

14th

 * The great-grandfather of Ulysses Klaue is killed by the Black Panther of Wakanda.

3rd

 * Chester Phillips is born.

18th

 * Joseph Stalin is born.

30th

 * Franklin D. Roosevelt is born.

22nd

 * Wilhelm Keitel is born.

8th

 * Harry S. Truman is born.

20th

 * Adolf Hitler is born.

14th

 * is born.

7th

 * is born.

16th

 * is born.

15th

 * is born.

24th

 * Charles Luciano, later known as, is born.

29th

 * is born.