Timeline

1968

 * Harrison Wilson was born.
 * Tracy Clark was born.

1986

 * Mark Holland was born and given up for adoption.

1991

 * Mark Driscoll was born.

1992

 * Dixon Wilson was born.
 * Liam Court was born.
 * Teddy Montgomery was born.
 * Navid Shirazi was born.
 * Adrianna Tate-Duncan was born.

Summer

 * Erin Silver was born.

September

 * Naomi Clark was born.

November

 * Annie Wilson was born.

2006

 * Annie meets Ethan on vacation at Grandma's.

September

 * September 1: Start of the school year.
 * September 7: The Wilson Family move from Kansas to Beverly Hills. ("We're Not in Kansas Anymore)
 * September 8 : First day Annie and Dixon in West Beverly High. ("We're Not in Kansas Anymore)
 * September 12 : Naomi's 16th birthday party. ("We're Not in Kansas Anymore)
 * September 13 Annie breaks up with Jason. Debbie finds that Harry has a child with Tracy Clark. ("The Jet Set")

November

 * November 6: Adrianna and Navid first kiss. ("Secrets and Lies")
 * Annie's 16th birthday party. ("Games People Play")

May

 * May 9: Adrianna's bachelorette party. ("The Party's Over")
 * May 18: West Bev's Prom. Adrianna gives birth to Maisy. ("Zero Tolerance")
 * May 19: Annie kills Jasper's uncle, Joe Herman. ("One Party Can Ruin Your Whole Summer")

August

 * August 31: Summer school over. The Party at the end of summer on Beach Club. Annie meets Mark Driscoll. ("To New Beginnings!")

September

 * September 1: Liam is back.
 * September 2: Naomi sends Annie's naked photo to everyone in West Bev. ("To Sext or Not to Sext") Dixon meets Sasha. ("Sit Down, You're Rocking the Boat")
 * September 3: Party on a yacht. Dixon kisses Sasha. ("Sit Down, You're Rocking the Boat")
 * Weekend: Dixon takes Sasha to Napa. ("The Porn King")
 * September 7: Annie meets Jasper Herman. ("The Porn King")
 * September 8: Teddy kisses Adrianna. ("The Porn King")
 * September 9: Sasha breaks up with Dixon. ("Environmental Hazards")
 * September 10: Naomi meets with Richard Carte. ("Environmental Hazards")

December

 * Before Christmas: Winter Wonderland dance. ("Winter Wonderland")
 * Christmas: Naomi and Silver spend in St. Barts. Annie spends in Las Vegas.

September

 * September 1: First day of the senior year. ("Senior Year, Baby")

Summer

 * Adrianna arrives in Africa.