| 1970 | Co-founded Black Sabbath in Birmingham and recorded the band's self-titled debut, igniting the heavy metal genre with a sound that would define generations. |
| 1980 | Launched his solo career with 'Blizzard of Ozz', introducing 'Crazy Train' and proving that his ear for dramatic, arena-filling riffs was as strong as ever outside of Black Sabbath. |
| 1981 | Followed immediately with 'Diary of a Madman', cementing back-to-back platinum releases and establishing a solo commercial identity independent of his former band. |
| 1986 | Scored a mainstream rock hit with 'Shot in the Dark' from 'The Ultimate Sin', the album that broke him further into Top 40 radio and expanded his arena fanbase worldwide. |
| 2002 | Starred alongside Sharon, Kelly, and Jack in MTV's 'The Osbournes', the reality series that introduced him to a new generation and became one of the network's highest-rated shows ever. |
| 2020 | Ended a decade-long studio silence with 'Ordinary Man', an album whose vulnerability, written amid a Parkinson's diagnosis, brought him some of the most personal critical praise of his career. |
| 2022 | Released 'Patient Number 9', his 13th solo studio album, featuring Black Sabbath guitarist Tony Iommi on 'Degradation Rules', Iommi's first appearance on an Ozzy solo record. |
| 2022 | 'Patient Number 9' won two Grammy Awards, Best Rock Album and Best Metal Performance, bringing his career Grammy total to five, with three as a solo artist. |
| 2024 | Inducted into the Rock and Roll Hall of Fame as a solo artist, his second induction, following Black Sabbath's 2006 entry, with Jack Black delivering the induction speech. |
| 2025 | Performed his final show at Villa Park in Birmingham alongside the original Black Sabbath lineup for 'Back to the Beginning', a benefit concert raising funds for Cure Parkinson's and Birmingham Children's Hospital. |