| 1978 | Self-titled debut album cracked the Top Ten, sold two million copies, and generated the gold Top Ten single "Hold the Line," immediately establishing the band as a force in mainstream rock. |
| 1982 | "Toto IV" reached multi-platinum status and the Top Ten, with "Africa" hitting No. 1, "Rosanna" peaking at No. 2, and "I Won't Hold You Back" in the Top Ten; the album won the Grammy for Album of the Year. |
| 1984 | Fifth album "Isolation" achieved gold certification, with the band simultaneously building one of the most in-demand session musician rosters in Los Angeles, contributing to hundreds of major pop and rock records. |
| 1992 | Drummer and co-founder Jeff Porcaro died during the summer; the remaining members carried on in his honor, honoring his legacy through continued touring and recording. |
| 2006 | "Falling in Between," released on Italian label Frontiers Records, marked their first album of new material since 1999 and drew critical comparisons to "Toto IV" from both fans and reviewers. |
| 2015 | Released "Toto XIV" and toured North America as co-headliners with Yes, drawing large audiences four decades into their career. |
| 2022 | Launched the "Dogz of Oz" world tour with Steve Lukather and Joseph Williams at the helm, opening for Journey across a 40-city US arena run and welcoming back keyboardist Greg Phillinganes for the first time since 2008. |
| 2023 | Continued the "Dogz of Oz" tour with dates across Europe and Japan, sustaining the band's reputation as a premier live act more than 45 years after their debut. |
| 2024 | Formally announced the expanded "Dogz of Oz" lineup featuring Shannon Forrest on drums and Greg Phillinganes on keys, and performed at the Hollywood Bowl alongside longtime collaborator Christopher Cross. |
| 2026 | Headlined a 32-date summer North American tour alongside Christopher Cross and The Romantics, produced by Live Nation, with dates running from Bethel, NY to Toronto. |