- For the real year, see 1990 (production).
The following events took place in 1990:
- A national census is conducted in the United States. The actual population of Twin Peaks, Washington is recorded to be 5,120.1.
- March 26 – Annie Blackburn attempts to commit suicide for the second time in a year.
- March 27 – Annie says her first words since her catatonia, at 8:38 in the morning: "I'm fine."
- c. March 31 – Bobby and Shelly Briggs are wed during a weekend vacation in Reno, Nevada.
- c. October – Shelly gives birth to a daughter, Rebecca.
Events (alternate) Edit
- February 24 – One year after his daughter Laura's disappearance, Leland Palmer shoots himself in his parked car by White Tail Falls.
- c. October – Rebecca "Becky" Briggs
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