Wiki How:Selected anniversaries/Holidays and observances

This is a more-or-less complete list of holidays and observances that may be included in any of the subpages of Wikipedia:Selected anniversaries. The purpose of this list is to help editors keep track of when the days should be listed, especially those whose dates vary from year to year. Note that the listings may be omitted from the various subpages because of article quality concerns.

Fixed-date and fixed day-of-week edit

January edit

Day of monthListingsNotes
1New Year's Day in the Gregorian calendar; Independence Day in Brunei (1984), Haiti (1804), and Sudan (1956); Constitution Day in Italy (1948); Founding Day in the Republic of China (1912)
2Ancestry Day in Haiti
3none
4Day of the Fallen against the Colonial Repression in Angola; Independence Day in Burma (1948)
5Twelfth Night (Western Christianity)
6Epiphany (Gregorian calendar); Armed Forces Day in Iraq
7Christmas (Julian calendar); Victory Day in Cambodia (1979); Flag Day in Italy (1797)
8Kim Jong-un's Birthday in North Korea
9Martyrs' Day in Panama (1964); Feast of the Black Nazarene in the Philippines; Republic Day in Republika Srpska (1992)
10Traditional Day in Benin
11Proclamation of Independence in Morocco (1944); Eugenio María de Hostos Day in Puerto Rico (1839)
12National Youth Day in India; Zanzibar Revolution Day in Tanzania (1964); Memorial Day in Turkmenistan (1881)
13St. Knut's Day (ChristianityScandinavia)
14New Year in the Julian calendar; Makar Sankranti in India; National Forest Conservation Day in Thailand
15Army Day in India; John Chilembwe Day in Malawi; Armed Forces Day in Nigeria; Korean Alphabet Day in North Korea;
16Magen David Day in Israel; Teachers' Day in Thailand; National Religious Freedom Day in the United States
17National Day in Minorca (1287)
18The Week of Prayer for Christian Unity begins; Royal Thai Armed Forces Day in Thailand; Paryaya Festival at Udupi CityParyaya is held in even-numbered years
19Theophany (Julian calendar)
20Martyr's Day in Azerbaijan (1990); Armed Forces Day in Mali
21Errol Barrow Day in Barbados; Day of Our Lady of Altagracia in the Dominican Republic; Flag Day in Quebec; National Hug Day in the United States
22Reunion Day in Ukraine (1919)
23none
24Unification Day in Romania (1849)
25Tatiana Day in Russia; Burns Night in Scots culture; Dydd Santes Dwynwen in Wales
26Australia Day (1788); Duarte Day in the Dominican Republic (1813); Republic Day in India (1950); Liberation Day in Uganda (1986)
27Various commemorations of the liberation of Auschwitz (1945)
28Army Day in Armenia
29Constitution Day in Gibraltar
30School Day of Non-violence and Peace; Martyrs' Day in India
31Independence Day in Nauru (1968)
2nd MondayComing of Age Day in Japan
2nd SaturdayChildren's Day in Thailand
3rd MondayMartin Luther King, Jr. Day in the United States

February edit

Day of monthListingsNotes
1Imbolc in the Northern Hemisphere; Lughnasadh in the Southern Hemisphere; Federal Territory Day in the Federal Territories of Malaysia; National Freedom Day in the United States
2World Wetlands Day; Candlemas in Western Christianity; Groundhog Day in Canada and the United States; Constitution Day in the Philippines (1987)
3Setsubun in Japan; Heroes' Day in Mozambique; Martyrs' Day in São Tomé and Príncipe; Four Chaplains' Day in the United States
4World Cancer Day; Day of the Armed Struggle in Angola (1961); Independence Day in Sri Lanka (1948)
5Constitution Day in Mexico (1917); Kashmir Day in Pakistan
6Sami National Day in Finland, Norway, Russia and Sweden (1917); Waitangi Day in New Zealand (1840)
7Independence Day in Grenada (1974)
8Prešeren Day in Slovenia (1949)
9none
10Fenkil Day in Eritrea (1990); National Memorial Day of the Exiles and Foibe in Italy
11World Day of the Sick (Roman Catholic Church); Youth Day in Cameroon; Victory of the Revolution in Iran (1979), National Foundation Day in Japan (660 BC); National Inventors' Day in the United States
12Darwin Day; Red Hand Day; Union Day in Burma (1947); Lincoln's Birthday in parts of the United States; Youth Day in Venezuela (1814)
13none
14Valentine's Day; Statehood Day in Arizona (1912) and Oregon (1859)
15Nirvana Day (Mahayana Buddhism); Candlemas (Eastern Christianity); Flag Day in Canada; National Day in Serbia; Total Defence Day in Singapore; Susan B. Anthony Day in the United States
16Statehood Day in Lithuania (1918); Kim Jong-il's Birthday in North Korea
17Independence Day in Kosovo (2007)
18Independence Day in The Gambia (1965)
19Commemoration of Vasil Levski in Bulgaria; Armed Forces Day in Mexico; Flag Day in Turkmenistan
20World Day of Social Justice
21International Mother Language Day; Language Movement Day in Bangladesh
22Independence Day in Saint Lucia (1979)
23National Day in Brunei (1984); Republic Day/Mashramani in Guyana (1970); Defender of the Fatherland Day in Russia and several other former Soviet republics
24Independence Day in Estonia (1918); Flag Day in Mexico; Dragobete in Romania; National Artist Day in Thailand
25Soviet Occupation Day in Georgia (1921); National Day in Kuwait (1950); EDSA Revolution Anniversary in the Philippines (1986)
26Liberation Day in Kuwait (1991); Ayyám-i-Há begins (Baháʼí calendar); Saviours' Day in the Nation of Islam
27Independence Day in the Dominican Republic (1844)
28Rare Disease Day; Teachers' Day in Arab countries; Kalevala Day in Finland; National Science Day in India; Peace Memorial Day in Taiwan (1947)
29noneLeap day redirects to February 29
3rd MondayFamily Day in various regions of Canada; Washington's Birthday/Presidents Day in the United States

March edit

Day of monthListingsNotes
1Self-injury Awareness Day; Independence Day in Bosnia and Herzegovina (1992); Martenitsa in Bulgaria; Beer Day in Iceland; Mărţişor in Romania and Moldova; Samiljeol in South Korea; Saint David's Day in Wales;
2The Nineteen Day Fast begins (Baháʼí Faith); Peasants Day in Burma; Victory at Adwa Day in Ethiopia; Independence Day in Texas (1836)
3Liberation Day in Bulgaria (1878); Sportsmen's Day in Egypt; Mother's Day in Georgia; Girls' Day in Japan
4Saint Casimir's Day in Lithuania and Poland
5St Piran's Day in Cornwall (United Kingdom); National Tree Planting Day in Iran; Lei Feng Day in the People's Republic of China
6Independence Day in Ghana (1957); Foundation Day in Norfolk Island (Australia); Alamo Day in Texas
7Teachers' Day in Albania
8International Women's Day; Mother's Day in various European countries; Revolution Day in Syria
9Teachers' Day in Lebanon
10Tibetan Uprising Day
11Moshoeshoe Day in Lesotho; Independence Day in Lithuania (1990)
12World Day Against Cyber Censorship; Arbor Day in China and Taiwan; Independence Day in Mauritius (1968); Youth Day in Zambia
13none
14New Year's Day (Sikhs); White Day in various East Asian countries; Constitution Day in Andorra (1993); Mother Tongue Day in Estonia; Heroes' Day in Saint Vincent and the Grenadines; Pi Day
15Ides of March; World Consumer Rights Day; World Day of Muslim Culture, Peace, Dialogue and Film; Constitution Day in Belarus; National Day in Hungary (1848); Hōnen Matsuri in Japan
16Saint Urho's Day (Finnish Americans); Remembrance day of the Latvian legionnaires; Day of the Book Smugglers in Lithuania
17Saint Patrick's Day; Boxer's Day in Thailand
18Flag Day in Aruba; Men's and Soldiers' Day in Mongolia
19Saint Joseph's Day (Western Christianity); Father's Day in various countries
20International Francophonie Day; Independence Day in Tunisia (1956)
21International Day for the Elimination of Racial Discrimination; World Down Syndrome Day; World Poetry Day; Naw-Rúz (Baháʼí calendar); Mother's Day in Arab countries; Harmony Day in Australia; Independence Day in Namibia (1990); Truant's Day in Poland; Human Rights Day in South Africa; Youth Day in Tunisia
22World Water Day; Emancipation Day in Puerto Rico
23World Meteorological Day; Day of Hungarian–Polish Friendship in Hungary and Poland; Republic Day in Pakistan (1956)
24World Tuberculosis Day; Day of Remembrance for Truth and Justice in Argentina (1976)
25Feast of the Annunciation (Christianity); Freedom Day in Belarus (1918); Independence Day in Greece (1821); Maryland Day in Maryland (1634); Struggle for Human Rights Day in Slovakia (1988); Mother's Day in Slovenia; Waffle Day in Sweden; Tolkien Reading DayAnnunciation may be moved if on a Sunday or if during Holy Week
26Synaxis of the Archangel Gabriel (Eastern Christianity); Independence Day in Bangladesh (1971); Prince Kūhiō Day in Hawaii (1871)
27Tatmadaw Day in Burma
28Teachers' Day in the Czech Republic and Slovakia; Serfs Emancipation Day in Tibet
29Boganda Day in the Central African Republic (1959); Day of the Young Combatant in Chile (1985); Youth Day in the Republic of China (Taiwan) (1911)
30Land Day (Palestinians); Spiritual Baptist/Shouter Liberation Day in Trinidad and Tobago; National Doctors' Day in the United States
31Freedom Day in Malta; Thomas Mundy Peterson Day in New Jersey (1870); King Nangklao Memorial Day in Thailand (1787); César Chávez Day in various U.S. states (1927); Transfer Day in the U.S. Virgin Islands
1st MondayCasimir Pulaski Day in Illinois
2nd MondayCanberra Day in the Australian Capital Territory; Commonwealth Day in the Commonwealth of Nations
around March 20March Equinox; World Storytelling Day; Nowruz (Iranians, Kurds and Zoroastrians); Vernal Equinox Day in Japan
3rd MondayBenito Juárez Day in Mexico
last SaturdayEarth Hour (20:30 local time in various areas)
last MondaySeward's Day in Alaska

April edit

Day of monthListingsNotes
1April Fools' Day; Assyrian New Year; National Day in Iran (1979); Edible Book Day
2World Autism Awareness Day; Malvinas Day in Argentina
3none
4Day of Peace and Reconciliation in Angola; Independence Day in Senegal (1960); Children's Day in Taiwan and Hong Kong
5none
6Tartan Day in Canada and the United States; Chakri Memorial Day in Thailand (1782); New Beer's Eve in the United States
7World Health Day; Genocide Memorial Day in Rwanda; Sheikh Abeid Amani Karume Day in Tanzania (1972)
8International Romani Day; Hanamatsuri in Japan; Draw a Bird Day
9Vimy Ridge Day in Canada; Occupation of Denmark Remembrance Day in Denmark; Day of the Finnish Language in Finland; Day of National Unity in Georgia (1989); Araw ng Kagitingan in the Philippines
10none
11Juan Santamaría Day in Costa Rica
12Global Day of Action on Military Spending; Yuri's Night; Cosmonautics Day in Russia
13Songkran begins in Thailand; Jefferson's Birthday in the United States
14N'Ko Alphabet Day in West Africa; Day of the Georgian language in Georgia (1978)
15Father Damien Day in Hawaii; Birthday of the Great Leader in North Korea; Tax Day in the United States
16Queen Margrethe II's birthday in Denmark; Emancipation Day in Washington, D.C.
17World Hemophilia Day; Evacuation Day in Syria
18
19
20
21
22
23
24
25
26
27
28
29
30
2nd FridayFast and Prayer Day in Liberia
3rd MondayPatriots' Day in Maine and Massachusetts
3rd ThursdayAdministrative Professionals' Day in various European countries
Wednesday of last full weekAdministrative Professionals' Day in the United States

October edit

Day of monthListingsNotes
1National Day in the People's Republic of China (1949); Independence Day in Cyprus and Nigeria (both 1960), Tuvalu (1978) and Palau (1994)
2
3
4
5
6German-American Day in the United States
7Teachers' Day in Albania
8International Women's Day; Mother's Day in various European countries; Revolution Day in Syria
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1st MondayLabour Day in Australian Capital Territory, New South Wales and South Australia
2nd MondayThanksgiving in Canada; Health and Sports Day in Japan; Columbus Day in the United States
4th MondayLabour Day in New Zealand

November edit

Day of monthListingsNotes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
2nd SundayRemembrance Sunday in the United Kingdom
4th ThursdayThanksgiving in the United States;
4th SaturdayHolodomor Remembrance Day in Ukraine

December edit

Day of monthListingsNotes
1
2
3United Nations' International Day of Persons with Disabilities
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

Moveable days edit

Listed in order of the first possible day.

WhenListingsNotes
First week of JanuaryPerihelion
around January 13 to 15Pongal for Tamils
anywhere from January through FebruaryTu Bishvat in Judaism15th of Shevat
anywhere from late January through mid-FebruaryLunar New Year in the Chinese calendar
between January 29 and March 4Fat Thursday52 days before Easter
first week of FebruarySapporo Snow Festival in Japan begins
between February 2 and March 8Shrove Monday/Lundi Gras48 days before Easter
between February 3 and March 9Shrove Tuesday/Mardi Gras47 days before Easter
between February 4 and March 10Ash Wednesday46 days before Easter
between February 8 and March 14Feast of Orthodoxy (Eastern Christianity)42 days before Easter
between February 9 and March 15Clean Monday/First day of Great Lent (Eastern Christianity)41 days before Easter
anywhere from mid-February to early MarchLantern Festival (Chinese calendar)15 days after Lunar New Year
late February to mid-MarchFast of Esther (Judaism)13th of Adar; if this is a Saturday, then it is observed on the preceding Thursday
late February to mid-MarchPurim (Judaism)14th of Adar (begins at sundown on the 13th)
late February to mid-MarchShushan Purim in Jerusalem and Susa (Judaism)15th of Adar
late February to mid-MarchHoli (Hinduism)last full day of Phalguna
between March 1 and April 4Laetare Sunday (Western Christianity); Mothering Sunday in the United Kingdom4th Sunday of Lent
between March 8 and April 11Passion Sunday (Anglicanism)5th Sunday of Lent
between March 14 and April 17Lazarus Saturday/Start of Holy Week (Eastern Christianity)one day before Palm Sunday
between March 15 and April 18Palm Sunday (Christianity)
between March 19 and April 22Maundy Thursday (Christianity)Thursday before Easter
between March 21 and April 24Holy Saturday (Christianity)one day before Easter
between March 22 and April 25Easter (Christianity)
between March 23 and April 26Easter Monday (Christianity); Sham el-Nessim in Egypt; Family Day in South Africa
late March to mid-AprilGudi Padwa and Ugadi in various parts of India1st day of Chaitra
late March to mid-AprilCheti Chand (Sindhis)2nd day of Chaitra
late March to mid-AprilRama Navami (Hinduism)9th day of Chaitra
between March 28 and May 2Easter Saturday (Western Christianity)Saturday after Easter
between March 29 and May 9Divine Mercy Sunday (Roman Catholicism); Antipascha (Eastern Christianity)1 week after Easter
around April 5Qingming Festival (Chinese calendar); Hansik in South Korea15 days after the equinox
early April to early MayYom HaShoah (Judaism)27 of Nisan
April 13, 14, or 15Visakhi (Sikhism); Bengali New Year; Tamil New Year;
mid-April to early MayFestival of Mazu (Chinese calendar)23rd day of 3rd lunar month
mid-April to mid-MayYom Hazikaron in Israel4th of Iyar; if this is a Thursday or Friday, then this is observed on Wednesday; if this is a Sunday, then it is moved to Monday
mid-April to mid-MayYom Ha'atzmaut in Israel5th of Iyar; if this is a Friday or Saturday, then this is observed on Thursday; if this is a Monday, then it is moved to Tuesday
late-April to early-JuneVesak (Buddhism)Full moon of the month Vesākha
mid-September to mid-OctoberDouble Ninth Festival (Chinese calendar)9th day of 9th lunar month
mid-September to mid-OctoberVijayadashami (India and Nepal);10th of Ashvin
mid-September to mid-OctoberYom Kippur (Judaism)10th of Tishrei
mid-September to late OctoberSukkot (Judaism)begins 15th of Tishrei (7 days long)
late September to late OctoberShemini Atzeret (Judaism)22nd of Tishrei
late September to late OctoberSimchat Torah (Judaism)23rd of Tishrei
mid-October to mid-DecemberDiwali (Hindu)A new moon night
mid-November to mid-DecemberBodhi Day (Buddhism)8th day of the 12th month in the Chinese calendar
between November 20 and 26Feast of Christ the King (Roman Catholic Church)Sunday before Advent begins
between November 27 and December 3Advent begins (Western Christianity)4th Sunday before December 25
late November to mid-DecemberNational Day in Burma10th day following the full moon of the month of Tazaungmone
DecemberHanukkah (Judaism)begins 25th of Kislev (8 days long)
mid-December to mid-JanuaryTenth of Tevet (Judaism)10th of Tevet
December 20 to 22December solstice' ([time] UTC, [year]); Dongzhi, Yalda, Yule, and other winter solstice festivals (Northern Hemisphere, year); Midsummer festivities (Southern Hemisphere, year)

Islamic holidays edit

The Islamic calendar is shorter than the Gregorian year, so each observance will occur earlier in the Gregorian calendar every year by about 10–12 days.

2011 date2012 dateListingsNotes
Jan 25Jan 14Arba'een in Shi'a Islam20th of Safar (40 days after Day of Ashura)
Feb 15Feb 4Mawlid in Sunni Islam12th of Rabi'-ul-Awwal
Feb 20Feb 11Mawlid in Shi'a Islam17th of Rabi'-ul-Awwal
Jun 29Jun 17Isra and Mi'raj (Islam)27th day of Rajab
Jul 19Jul 7Laylat al Bara'at (Islam)15th day of Sha'aban
Aug 1Jul 201 Ramadan (Islam)1st of Ramadan
Aug 17Aug 6Muhammad's first revelation (Islam)17th / 21st of Ramadan
Aug 27Laylat al-Qadr (Islam)27th day of Ramadan
Aug 30Aug 19Eid ul-Fitr (Islam)1st of Shawwal
Nov 4First day of Hajj (Islam)begins 8th of Dhu al-Hijjah (3 days)
Nov 5Day of Arafa (Islam)9th of Dhu al-Hijjah
Nov 6Eid al-Adha (Islam)begins 10th of Dhu al-Hijjah (3 days)
Nov 14Eid al-Ghadeer (Islam)18th of Dhu al-Hijjah
Nov 20Eid al-Mubahila (Islam)24th of Dhu al-Hijjah
Nov 26Islamic New Year; Mourning of Muharram begins1st of Muharram
Dec 5Day of Ashura (Islam)10th of Muharram