1727
Liam (later Angel(us)) is born in Galway, Ireland.

1753
Liam is turned into a vampire by Darla. He kills everyone in his home village, including his family.

1860
Angelus is introduced to Drusilla. Slowly he kills off all her family, driving her insane. She feels to a covenant - the day before she takes her vows she is turned by Angelus.

1880
Drusilla meets Willam (later Spike) in London, and turns him into a vampire. The name Spike is taken after he begins to kill people with railroad spikes, after a comment about one of his poems. They team up with Angelus and Darla. Spike and Angelus get on well until Spike catches Angel having sex with Drusilla.

1898
Angelus kills a gypsy girl in Romania. He is cursed with a soul by the girl's family.

1900
Darla, Drusilla and Spike are together when Spike kills his first slayer, Xin Rong, in China. Angel tries to join up with them again, but Darla realises that he only kills murderers and scoundrels. When he refuses to kill a baby that Darla brings him, he cannot do it and leaves.

1917
Angel goes to America.

1917
Angel is in New York City. He is recruited by the Navy. Spike has been captured by the Nazis.

1977
Spike kills his second slayer, Nikki, in New York City. He takes her leather duster as a reminder of it.

1981
Buffy Summers is born to Joyce and Hank Summers.

1996
Buffy is 'called' to be a slayer. Whistler takes Angel to see her for the first time.

1997
Buffy moves to Sunnydale, and Angel begins to help her. She realises that Angel in Angelus, one of the worst vampires recorded in history. Angel kills Darla to save Buffy.
Spike and Drusilla come to Sunnydale, looking for Angel to cure her. They cause mayhem for Buffy. Spike is sickened by Angel's actions in Sunnydale, and wishes that he was Angelus again.

1998
Angel is reverted back to Angelus after experiencing one moment of true happiness. He joins Spike (now wheelchair bound) and Drusilla and vows to kill Buffy.
Angelus kills Jenny Calendar, a member of the Kalderash clan who originally cursed him with a soul.
Spike realises that Angelus is not the same vampire he used to be and teams up with Buffy to stop the world from ended. He leaves with Drusilla before the end of the fight, and she ends up sending Angel to hell, after Willow has restored his soul.
Angel is returned from hell, soul intact, a few months later. Buffy helps him recover.
Spike makes a brief visit to Sunnydale brokenhearted - it turns out Drusilla has dumped him. While everyone else's love life takes a turn for the worst, he realises that to get Dru back, he must be the man he always was and returns to her.

1999
Angel leaves Sunnydale to go to LA, starting his own agency. Spike returns to Sunnydale, searching for the gem of Amarra. He finds it and fights with Buffy. She takes the ring from him and sends it to Angel. Spike travels to LA, looking for Angel and the ring. He tortures Angel but his plan doesn't work, and Angel destroys the ring.
Spike goes back to Sunnydale and is captured by the Initiative. They put a chip in his head to prevent him from harming humans, only demons, and he reluctantly joins Buffy and her hang, helping out when it suits him.

2000
Spike realises that he is in love with Buffy.

2001
Buffy dies, and Willow resurrects her. Buffy begins to confide in Spike over her death and knowing that Spike loves her, she uses him for sex to make her feel better.

2002
Buffy breaks up with Spike, telling him that the relationship is killing her inside. In a moment of madness, he tried to rape her. A guilty Spike goes to Africa and wins his soul back for her.

2003
The final apocolyptic battles destroys Sunnydale. Spike saves the world buy using an amulet given to Buffy by Angel, however, he dies in the process.
Angel and his gang accepts the position of running Wolfram & Hart. A few months later, Angel recieves a piece of mail which revives Spike, albeit in ghostly form. Later he becomes corporeal again, thanks to another piece of mail. Spike and Angel race against each other to find the "Cup of Perpetual Torment", which will enable one of them to fulfill the Shanshu prophecy. They end up fighting over it, and ultimitely Spike wins and drinks from the cup to find out that it was a fake. Angel later reveals that it was the first time Spike beat him, and he fears it was because Spike wanted to become human more than he did.
Lindsey approaches Spike and talks about Spike becoming a champion. He has "visions" and Spike follows them dutifully, wanting to fulfill the prophecy. Than gang eventually realise that Spike and Angel are being pitted against each other, and work together (along with Cordelia) to defeat Lindsey. They start working together.
The apocolypse is brought about. Angel and Spike both survive, however, it is unkown that happens to them as the las we see is them fighting the demons.