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| Years in webcomics: | 2000 2001 2002 2003 2004 2005 2006 |
| Centuries: | 20th century · 21st century · 22nd century |
| Decades: | 1970s 1980s 1990s 2000s 2010s 2020s 2030s |
| Years: | 2000 2001 2002 2003 2004 2005 2006 |
Notable events of 2003 in webcomics.