Wikipedia:WikiProject Days of the year/Template

• 153 BC – For the first time, Roman consuls begin their year in office on January 1.^[1]
• 1527 – Croatian nobles elect Ferdinand I of Austria as King of Croatia in the Parliament on Cetin.^[2]
• 1600 – Scotland recognises January 1 as the start of the year, instead of March 25.^[3]

• 1899 – Spanish rule ends in Cuba.^[4]

• 1901 – The Southern Nigeria Protectorate is established within the British Empire.^[5]
• 1901 – The British colonies of New South Wales, Queensland, Victoria, South Australia, Tasmania, and Western Australia federate as the Commonwealth of Australia; Edmund Barton is appointed the first Prime Minister.^[6]
• 1902 – The first American college football bowl game, the Rose Bowl between Michigan and Stanford, is held in Pasadena, California.^[7]
• 2017 – An attack on a nightclub in Istanbul, Turkey, during New Year's celebrations, kills at least 39 people and injures more than 60 others.^[8]

• 1600 – Friedrich Spanheim, Dutch theologian and academic (d. 1649)^[9]

• 1628 – Christoph Bernhard, German composer and theorist (d. 1692)^[10]
• 1900 – Chiune Sugihara, Japanese soldier and diplomat (d. 1986)^[11]
• 1900 – Xavier Cugat, Spanish-American singer-songwriter and actor (d. 1990)^[12]

• 1902 – Buster Nupen, Norwegian-South African cricketer and lawyer (d. 1977)^[13]
• 1902 – Hans von Dohnányi, German jurist and political dissident (d. 1945)^[14]
• 1998 – Patrick Carrigan, Australian rugby league player^[15]

<--Do not add your own name or people without Wikipedia articles to this list. No red links, please.Do not trust "this year in history" websites for accurate date information.Do not link multiple occurrences of the same year, just link the first occurrence.-->

• Many countries around the world using Gregorian calendar - New Year's Day; often celebrated at 0:00 with fireworks.
• Vienna New Year's Concert
• United States - Copyright Expiration Day, celebrating the expiration of the copyright of a year's worth of works of authorship into the public domain. Not celebrated from 1978 to 2018 because of repeated copyright term extensions.
• Catholicism - Octave of Christmas, Blessed Virgin Mary, Mother of God.
• Haiti Independence Day
• Taiwan Founding of Republic of China.
• Sudan Independence Day
• Cuba Liberation Day
• Slovakia: Establishment of Slovak Republic.
• Switzerland: The new President of the Confederation takes office for one year.
• Last day of Kwanzaa
• Pasadena, California - The Tournament of Roses parade and, traditionally, the Rose Bowl

Wikimedia Commons has media related to WikiProject Days of the year/Template.

• BBC: On This Day
• The New York Times: On This Day
• Historical Events on January 1
• On This Day in Canada