Sesame Street History/Timeline (1998-2017)

This's the history of Sesame Street during 1998-2017.:
 * 1998-99: Eric Jacobson started performing both Grover and Bert.; Elmo's World premiered.
 * 2000: Jacobson provided Grover's new voice.
 * 2001: Jacobson also provided Bert's new voice.
 * 2002: David Rudman started performing Cookie Monster.
 * 2004: The Street We Live On premiered.
 * 2012: Frank Oz retired.; Jacobson took over Grover and Bert's voices, and Rudman took over Cookie Monster's voice.
 * 2014: Oz died.
 * 2017: Sesame Street became more popular.

Here's the special feature: