A Timeline of All the Most Important Dates in the "American Horror Story" Universe

1970 — "1984"

• Camp counselor Margaret Booth (Leslie Grossman) is persuaded by the ghost of Lavinia Richter (Lily Rabe) to murder everyone in her cabin, as well as a hiker named Jonas Shevore (Lou Taylor Pucci). She blames the killings on her boyfriend, Benjamin Richter (John Carroll Lynch), and assists in his conviction.

1970 to 1971 — "Asylum"

• Judy passes away under Kit Walker's care after he checks her out of Briarcliff.
• Lana Winters exposes Briarcliff for the monstrous place it is, which causes it to be shut down and abandoned.
• Timothy Howard (Joseph Fiennes) takes his own life.

1971 — "Coven"

• Fiona Goode (Jessica Lange) kills the reigning Supreme.
• After successfully performing the Seven Wonders, she is crowned the next Supreme.

1973 — "Roanoke"

• The members of the Chen family are brutally murdered in Roanoke.

1978 — "Murder House"

• The opening scene of the series! Two young twin boys are brutally murdered by the Infantata.