On March 20, 1982, IRON MAIDEN performed at the Hammersmith Odeon in London during The Beast on the Road world tour — the band's first major headlining campaign with Bruce Dickinson as vocalist. The show was professionally filmed and recorded, capturing MAIDEN at the absolute peak of their early powers. Released initially as a VHS titled "Beast Over Hammersmith," the footage documented Dickinson's electrifying stage presence alongside Steve Harris's thunderous bass, the twin-guitar attack of Dave Murray and Adrian Smith, and the iconic Eddie mascot towering over the stage. Songs from the freshly released "The Number of the Beast" dominated the setlist alongside classics from the Paul Di'Anno era. The recording was officially released on CD in 2002 as part of the "Eddie's Archive" box set and again in 2023. It remains one of the most celebrated live recordings in British heavy metal history.

Chester Bennington was born on March 20, 1976 in Phoenix, Arizona — the vocalist who would reshape the boundary between heavy metal and mainstream rock as the frontman of LINKIN PARK. Co-founding the band in 1996, Bennington became one of the most distinctive voices of his generation with his ability to shift seamlessly between melodic clean singing and visceral, raw screaming. LINKIN PARK's debut "Hybrid Theory" (2000) sold over 27 million copies worldwide, while "Meteora" (2003) confirmed the band's global dominance. Bennington also fronted STONE TEMPLE PILOTS from 2013 to 2015. Despite commercial success on a scale few heavy music artists ever reach, he battled depression and addiction throughout his life. On July 20, 2017 — exactly 17 years after the death of Chris Cornell — Chester Bennington died by suicide at age 41, leaving behind a generation of fans who found their pain reflected in his voice.

CELTIC FROST released their debut full-length "To Mega Therion" in March 1985 via Noise Records — a landmark in extreme metal. Rising from the ashes of HELLHAMMER, Tom G. Warrior and Martin Eric Ain crafted an album of extraordinary darkness and ambition. "To Mega Therion" introduced orchestral elements and avant-garde textures into thrash metal, pointing toward what would later become black metal and gothic metal. Tracks like "Dawn of Meggido," "Eternal Summer," and "Circle of the Tyrants" presented a vision simultaneously brutal and sophisticated. The album's cover — H.R. Giger's "Satan I" painting — became one of metal's most iconic images. CELTIC FROST's willingness to transgress genre boundaries made "To Mega Therion" a lasting influence on extreme metal; bands from TRIPTYKON to EMPEROR to DARKTHRONE have cited it as foundational.

DEATH released "Scream Bloody Gore" in 1987, widely considered the first true death metal album, and by March 20 it was already circulating on tape among the underground. Chuck Schuldiner's debut under the DEATH name — recorded in late 1986 with drummer Chris Reifert at Morrisound Recording in Tampa — redefined what extreme music could be. The album's downtuned guitars, guttural vocals, and morbid lyrical imagery gave birth to an entirely new genre. Tracks like "Zombie Ritual," "Regurgitated Guts," and the title track laid out the template that an entire generation of bands would follow. Though DEATH would evolve dramatically across subsequent albums, "Scream Bloody Gore" stands as the Big Bang of death metal — a crude, ferocious document of pure extremity that changed metal forever.

BIOHAZARD released "State of the World Address" on March 20, 1994, via Warner Bros. Records — one of the definitive crossover thrash/hardcore records of the decade. The Brooklyn quartet had spent years fusing hardcore punk aggression with metal riffing and hip-hop rhythms, and this third album captured them at their most potent. Tracks like "Five Blocks to the Subway" and "How It Is" combined social commentary with raw sonic power, while the guest appearance from ONYX on "Judgment Night"-era collaborations expanded their crossover appeal. "State of the World Address" peaked at #43 on the Billboard 200, a remarkable achievement for a band that stubbornly refused to sand off its edges. BIOHAZARD's influence on metalcore and nu-metal bands of the following decade is immeasurable.

Billy Corgan — founding vocalist and guitarist of SMASHING PUMPKINS — was born on March 17, 1967. But on March 20, 1969, the world gained another pivotal alternative metal figure: Fred Durst of LIMP BIZKIT was born in Jacksonville, Florida. As frontman of one of nu-metal's biggest acts, Durst presided over "Significant Other" (1999) and "Chocolate Starfish and the Hot Dog Flavored Water" (2000), the latter selling over 30 million copies worldwide and demonstrating the genre's mainstream dominance at the turn of the millennium. Whether revered or reviled, LIMP BIZKIT's impact on heavy music in the late 1990s and early 2000s was undeniable, bridging hip-hop and metal for a mass audience at a scale no band had previously achieved.

TESTAMENT released "Brotherhood of the Snake" on October 28, 2016, but on March 20, 2018, they launched a major co-headlining North American tour alongside AMON AMARTH — one of the most powerful live metal packages of the year. Two of thrash and melodic death metal's most reliable workhorses sharing a stage night after night gave fans across the continent a relentless twin assault. TESTAMENT, powered by Chuck Billy's still-ferocious vocals and Alex Skolnick's jazz-inflected lead guitar, and AMON AMARTH, channeling Viking mythology through crushing melodic death metal, proved that old-school credibility and modern production could coexist perfectly. The tour reinforced both bands' status as essential acts in the living tradition of heavy metal.