- 1969 - Karl Koch is born.
- 1992 - Weezer performs at the Coconut Teaszer in Los Angeles, CA.
- 1994 - Weezer performs in Birmingham, AL at The Nick on the Blue Album Tour.
- 2001 - Weezer performs in Las Vegas, NV at the Cox Pavilion on the Midget Tour.
- 2005 - Weezer plays live at the Smirnoff Music Center in Dallas, Texas on the Foozer Tour in support of Make Believe.
- 2008 - Weezer plays live at the Yoyogi Arena in Tokyo, Japan on the Troublemaker Tour in support of The Red Album. The song "Dreamin'" is played live for the first time.