- Christian Feast Day
- Happy New Year
January 02: Berchtold’s Day (Switzerland, Liechtenstein and the Alsace)
January 04: Independence Day, celebrates the independence of Myanmar from the United Kingdom in 1948.
January 05: National Bird Day, celebrated semiannually. (United States)
January 06: Befana Day (Italy)
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January 07: Distaff Day (medieval Europe) & Tricolour day or Festa del Tricolore (Italy)
January 08: Commonwealth Day (Northern Mariana Islands)
January 09:
- Martyrs' Day, commemorates the 1964 riots over sovereignty of the Panama Canal Zone. (Panama)http://hallosushant.blogspot.com/
- Republic Day (Republika Srpska and Bosnia and Herzegovina)
January 10: Traditional Day (Benin)
January 11:
January 12 :
January 13: St. Knut's Day or Tjugondag Knut, the last day of Christmas. (Sweden and Finland)
January 14:
- National Forest Conservation Day (Thailand)
- Makar Sankranti (India)
- The first day of Pongal, a Tamil New Year. (Tamil)
January 15 :
- John Chilembwe Day (Malawi)
- Korean Alphabet Day (North Korea)
- Army Day
- Maatu Pongal, celebrated by performing Jallikattu (Tamil)
January 16:
January 18: Royal Thai Armed Forces Day (Thailand)
January 19:
- Confederate Heroes Day (Texas)
- Founders Day (Kappa Alpha Order Convivium)
January 21:
January 23: Bounty Day, celebrate the burning of the Bounty in 1790 (Pitcairn Island)
January 25:
- Criminon Day (Scientology)
- Tatiana Day, celebrated as the Day of Russian Students since 1755, when Moscow University is founded. (Russia)http://hallosushant.blogspot.com/
January 26 :
- Liberation Day (Uganda)
- Republic Day, one of only three national holidays in India, celebrated with pomp and pageantry with a military parade in New Delhi and across the rest of the nation. (India)
- International Customs day.
- Australia Day (Australia)
January 27:
- Holocaust Memorial Day (United Kingdom
- International Holocaust Remembrance Day (International)
- Memorial Day or Il Giorno della Memoria (Italy)
January 28: Data Privacy Day
January 29: Constitution Day (Gibraltar)
January 30 :
January 31:
- Independence Day, celebrates the independence of (Nauru) from Australia in 1968.
- World Leprosy Day (International)
src: wikipedia.org