| Date | Type | Event | | 01-05-2007 | | Green Day's cover of 'Working Class Hero' is released as a single from the charity album Instant Karma |
| 03-05-1996 | | Dookie is certified 9x Multi-Platinum in the US (9 million units) |
| 04-05-1972 | | Mike Dirnt is born in Berkeley, California |
| 04-05-2018 | | Billie Joe's side project The Longshot release the Bullets EP |
| 05-05-2009 | | Green Day perform 'Know Your Enemy', 'Before The Lobotomy', ' East Jesus Nowhere' and 'She' on BBC Radio |
| 06-05-2009 | | Green Day perform 'Know Your Enemy' on TV Total |
| 07-05-1998 | | Green Day perform 'Good Riddance (Time Of Your Life)' on The Late Show with David Letterman |
| 09-05-1996 | | Green Day perform 'Walking Contradiction' on The Late Show with David Letterman |
| 10-05-2010 | | Green Day's pre-taped performance covering The Rolling Stones 'Rip This Joint' airs on Late Night with Jimmy Fallon |
| 11-05-2020 | | Billie Joe releases I Think We're Alone Now EP |
| 15-05-2009 | | Green Day release 21st Century Breakdown, their eighth studio album |
| 16-05-2000 | | Billie Joe's side project Pinhead Gunpowder release a split EP w/Dillinger Four |
| 16-05-2009 | | Green Day perform 'Know Your Enemy' & '21 Guns' on Saturday Night Live |
| 16-05-2017 | | 'Revolution Radio' is released as a single from Revolution Radio |
| 17-05-2021 | | 'Pollyanna' is released as a digital single |
| 19-05-2017 | | Green Day perform 'Know Your Enemy', 'Still Breathing' and 'Basket Case' on Good Morning America |
| 19-05-2020 | | Green Day postpone the North American leg of the Hella Mega Tour due to the COVID pandemic |
| 21-05-2009 | | Green Day perform 'Know Your Enemy' on The Colbert Report |
| 21-05-2020 | | Green Day release their cover of 'Dreaming' as as a digital single |
| 22-05-2009 | | Green Day perform 'East Jesus Nowhere' on The Late Show with David Letterman |
| 23-05-2007 | | Green Day perform 'Working Class Hero' on American Idol |
| 25-05-1998 | | The Green Day Singles Box is released |
| 25-05-2009 | | '21 Guns' is released as a single from 21st Century Breakdown |
| 26-05-1998 | | 'Redundant' is released as a single from Nimrod |
| 29-05-2009 | | Green Day perform 'Know Your Enemy' on TV Asahi |
| 30-05-2009 | | Green Day perform 'Know Your Enemy' at MTV Japan Video Music Awards |
| 31-05-1995 | | Dookie is certified 8x Multi-Platinum in the US (8 million units) |
