2024
Later action
Iraqi National Day
Declared October 3 a public holiday for the 2024 National Day observance.
Evergreen date guide
What is celebrated on October 1?
See the observances and verified observance-history milestones attached to October 1. Each observance keeps its own source and date details.
Verified history
Today in history →On this date in observance history
Selected observance milestones connected to this date, based on reviewed sources.
2017
First observance
National Hair Day
NuMe launch material and its 2022 five-year article support an October 1, 2017 launch.
2015
First observance
International Coffee Day
ICO records describe 1 October 2015 in Milan as the first official International Coffee Day.
2011
First observance
National Black Dog Day
National Today explicitly identifies October 1, 2011 as the first National Black Dog Day; Checkiday likewise lists annual observance since 2011.
1999
First observance
World Smile Day
Foundation history identifies the first World Smile Day in 1999 on the first Friday of October; 1 October was that Friday.
1991
First observance
International Day of Older Persons
A 1998 United Nations background release states that the Day designated in 1990 was celebrated for the first time the following year; the establishing resolution fixed the annual…
1977
First observance
World Vegetarian Day
NAVS states that it launched World Vegetarian Day on October 1, 1977.
1975
First observance
International Music Day
IMC states that the first International Music Day organized by IMC was held on 1 October 1975.
Reviewed depth
Other in-depth guides on October 1
Source-backedFixed AnnualIn-depth guide
Day of Defenders of Ukraine
Official website of the President of Ukraine
Source-backedFixed AnnualIn-depth guide
Independence Day
Republic of Cyprus sources distinguish legal statehood on 16 August 1960 from the official October 1 Independence Day, and government history records the unanimous 11 July 1963 Council of M…
Source-backedFixed AnnualIn-depth guide
Independence Day
Tuvalu law defines Independence Day as October 1, 1978; current public-holiday law separately lists the broader Tuvalu Day holiday on October 1 and 2.
Source-backedFixed AnnualIn-depth guide
International Coffee Day
A/RES/80/248
Source-backedFixed AnnualIn-depth guide
International Day of Older Persons
A/RES/45/106
Source-backedFixed AnnualIn-depth guide
International Music Day
International Music Council (IMC)
Explore the mix
All topics →Topics represented on October 1
14 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
Day of Defenders of Ukraine
Official website of the President of Ukraine
Source-backedFixed AnnualIn-depth guide
Independence Day
Republic of Cyprus sources distinguish legal statehood on 16 August 1960 from the official October 1 Independence Day, and government history records the unanimous 11 July 1963 Council of M…
Source-backedFixed AnnualIn-depth guide
Independence Day
Tuvalu law defines Independence Day as October 1, 1978; current public-holiday law separately lists the broader Tuvalu Day holiday on October 1 and 2.
Source-backedFixed AnnualIn-depth guide
International Coffee Day
A/RES/80/248
Source-backedFixed AnnualIn-depth guide
International Day of Older Persons
A/RES/45/106
Source-backedFixed AnnualIn-depth guide
International Music Day
International Music Council (IMC)
Source-backedFixed AnnualIn-depth guide
National Black Dog Day
Founder Colleen Paige’s current materials list National Black Dog Day on October 1 and describe it as an annual awareness observance.
Source-backedFixed AnnualIn-depth guide
National Day
China’s central government states that October 1 is National Day, that the Central People’s Government adopted the National Day resolution on December 2, 1949, and that current national-hol…
Source-backedFixed AnnualIn-depth guide
National Hair Day
NuMe identifies founder/CEO Sabrina Maren as the creator of National Hair Day, describes an October 1 launch in 2017, and states that the observance returns every October 1; first-party mat…
Source-backedRule Based AnnualIn-depth guide
National Poetry Day
Forward Arts Foundation says William Sieghart founded National Poetry Day in 1994, currently runs the UK-wide campaign, and defines the annual observance as the first Thursday of October; t…
Source-backedFixed AnnualIn-depth guide
Nigeria Independence Day
Nigerian government sources establish 1 October 1960 as the independence date; the Public Holidays Act and current Ministry of Interior notices support October 1 public-holiday status.
Source-backedFixed AnnualIn-depth guide
Sake Day / World Sake Day
Japan Sake and Shochu Makers Association material states that the association designated October 1 as Sake Day in 1978. Its current cultural history explains that October begins the new bre…
Source-backedFixed AnnualIn-depth guide
Teachers’ and Mentors’ Day
Uzbek government sources identify 1 October as Teachers’ and Mentors’ Day, established as a national holiday and day off in the 1990s.
Source-backedFixed AnnualIn-depth guide
World Vegetarian Day
NAVS states that World Vegetarian Day was established as an annual celebration, with 1 October as the official date; local events may be scheduled on a nearby date.
How dates are selected
This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.
Read the methodology →