The twenty-first night of September was celebrated on the SiIvaGunner channel with a channel event in 2023.
Summary
Starting at 6:00 PDT, all rips uploaded featured "September", referencing the date mentioned in "September".
Timeline
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- The Pisadinhover (Feb 13 – 16, 2023)
- Kirby's Return to Dream Land Deluxe Release Day (Feb 24, 2023)
- Five Nights at Freddy's 3 8th Anniversary (Mar 2 – 7, 2023)
- The Day of Luigi (Mar 18, 2023)
- April Fools' Day 2023 (Apr 1, 2023)
- Homestuck 14th Anniversary (Apr 13, 2023)
- Maki Nishikino's Birthday 2023 (Apr 19, 2023)
- Dick's Retribution (Apr 25, 2023)
- National Go Birding Day (Apr 29, 2023)
- "Lucid Dreams" 5th Anniversary (May 4, 2023)
- Garten of Banban 3 Event (May 7, 2023)
- C418's Birthday (May 9, 2023)
- Densha de GO!! Day (May 13, 2023)
- Minecraft 14th Anniversary (May 17, 2023)
- "Raft Ride" Day (May 18, 2023)
- World Goth Day (May 22, 2023)
- South Park Day (May 26, 2023)
- Saidai Seichi Challenge (May 31, 2023)
- The Legend of Zelda: Link's Awakening 30th Anniversary (Jun 6, 2023)
- National Go Fishing Day 2023 (Jun 18, 2023)
- Shovelware from Beyond the Deep! (Jun 24 – 25, 2023)
- Bootleg Day (Jul 7, 2023)
- Billy Herrington's Birthday (Jul 14, 2023)
- PSY Day 8 (Jul 15, 2023)
- Barbie Day (Jul 21, 2023)
- The Great Ace Attorney Chronicles 2nd Anniversary (Jul 27, 2023)
- Garten of Banban 4 Event (Aug 16, 2023)
- Whip and Nae Nae Day Day (Part 2) (Aug 23, 2023)
- ROBLOX 17th Anniversary (Sep 1 – 3, 2023)
- Independence Day of Brazil 2023 (Sep 7, 2023)
- "What Makes You Beautiful" 12th Anniversary (Sep 11, 2023)
- Eastward 2nd Anniversary (Sep 16, 2023)
- 21st Night of September (Sep 21, 2023)
- RIP² (Oct 2 – 5, 2023)
| | Halloween Horror Special Part VI
(Oct 25 – Nov 5, 2023) | |
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| | | Return of the CCC
(Dec 12, 2023 – Jan 17, 2024) | |
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