Federal Holidays 2025 Chicago. 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020. Comprehensive list of national and regional public holidays that are celebrated in illinois, usa during 2025 with dates and information on the origin and meaning of holidays.

Federal holidays that fall on saturday are celebrated on the preceding friday. Birthday of martin luther king, jr.