The first nine episodes of Season 1 of Charmed was aired in the USA in 1998. It is the year the Charmed Ones are constructed. Several key dates in 1998 include:

• March 1998: Grams dies of a heart attack at the Manor.
• June 1998: Piper turns 25
• August 1998: Paige turns 21
• September 1998: The Charmed Ones receive their powers.
• September 1998: Andy Trudeau returns to San Francisco, and he and Prue start dating
• October 1998: Prue turns 28
• October 1998: Piper and Leo meet each other
• November 1998: Phoebe turns 23