* Earliest day on which Sechseläuten can fall, while April 21 is the latest ; celebrated on the third Monday in April.

* Earliest day on which Ascension Day can fall, while June 3 is the latest ; celebrated 40 days after Easter ( Christianity ), and its related observances

* Earliest day on which National Heroes ' Day can fall, while August 28 is the latest ; celebrated on the fourth Monday in August.

* Earliest day on which Sizdah Be-dar can fall, while April 2 is the latest ; celebrated on the 13th day after vernal equinox.

** Earliest day on which Caribana celebration can fall, celebrated on the first Weekend of August.

** Earliest day on which Emancipation Day can fall, celebrated on the first Monday of August.

* Earliest day on which Civic Holiday can fall ; celebrated on the first Monday of August.

* Earliest day on which Commerce Day, or Frídagur verslunarmanna, can fall ; celebrated on the first Monday of August.

* Earliest day on which International Friendship Day can fall, celebrated on the first Sunday of August.

* Earliest day on which Melon Day can fall, while August 14 is the latest ; celebrated on the second Sunday in August.

* Earliest day on which Day of Hearts can fall, while August 21 is the latest ; celebrated on the third Monday in August.

* Earliest date on which Notting Hill Carnival can fall, while August 31 is the latest ; celebrated on the last Monday in August and the day before.

* Earliest day on which Store Bededag or General Prayer Day can fall, while May 13 is the latest ; observed on the 4th Friday after Easter day.

* Earliest day on which First Day of Summer or Sumardagurinn fyrsti can fall, while April 25 is the latest ; celebrated on the first Thursday after April 18.

* Earliest day on which Fast and Prayer Day can fall, while April 15 is the latest ; celebrated on the second Friday in April ( Liberia )

* Earliest day on which National Arbor Day can fall, while April 30 is the latest ; celebrated on the last Friday in April.

* Earliest day on which Turkmen Racing Horse Festival can fall, while April 30 is the latest ; celebrated on the last Sunday in April.

* Earliest day on which Farmer's Day can fall, while December 7 is the latest ; celebrated on the first Friday in December.

* Earliest day on which Good Neighborliness Day can fall, while December 7 is the latest ; celebrated on the first Sunday in December.

** Earliest day on which Feast of the Holy Family can fall, celebrated on Sunday after Christmas or 30 if Christmas falls on a Sunday.

* Earliest day on which National Wear Red Day can fall, while February 7 is the latest ; celebrated on the first Friday in February ( United States )

* Earliest day on which Shrove Monday can fall, while March 8 is the latest ; celebrated on Monday before Ash Wednesday ( Christianity ), and its related observances:

* Earliest day on which Ash Wednesday can fall, while March 10 is the latest ; celebrated on the first day of Lent.

* Earliest date on which La Tomatina can fall, while August 31 is the latest ; celebrated on the last Wednesday in August.

Earliest American scholars were with the The American Folklore Society ( AFS ), which emerged in the late 1800s.

Earliest American scholars were with the The American Folklore Society ( AFS ), which emerged in the late 1800s.

* Earliest day on which Feast of Orthodoxy can fall, while March 14 is the latest ; celebrated 42 days before Easter.

* Earliest day on which Feast of the Sacred Heart can fall, while July 2 is the latest ; celebrated 19 days after Pentecost.

** Earliest day on which Feast of the Immaculate Heart of Mary can fall, while July 3 is the latest ; celebrated 20 days after Pentecost.

Earliest found records of the Hessle Feast date from the 1800s.

* Earliest day on which Martin Luther King, Jr. Day can fall, while January 21 is the latest ; celebrated on the third Monday in January.

* Earliest date of composition for the Historia Brittonum, attributed to Nennius, and known for its list of 12 battles of King Arthur.

* Wyatt, Nick, Arms and the King: The Earliest Allusions to the Chaoskampf Motif and their Implications for the Interpretation of the Ugaritic and Biblical Traditions ( 1998 ), republished in There's such divinity doth hedge a king: selected essays of Nicolas Wyatt on royal ideology in Ugaritic and Old Testament literature, Society for Old Testament Study monographs, Ashgate Publishing, 2005, ISBN 978-0-7546-5330-1, 151-190.

The Earliest reference to the castle was in the “ Leabhar nanCeart ” ( the book of rights compiled in the 15th century ) where the fort of Gephtine is mentioned as being reserved to the King of Cashel.

* The Earliest classics reprints of John Graunt, Natural and political observations made upon the bills of mortality, 1662 G. King, Natural and political observations and conclusions upon the state and condition of England 1696 the 1804 printing ' The L. C. C.

Lives of the Lord Chancellors and Keepers of the Great Seal of England, From the Earliest Times Till the Reign of King George IV.

* Earliest day on which Clean Monday can fall, while March 15 is the latest ; celebrated on the first Monday before Easter.

* Earliest day on which People's Sunday can fall, while March 15 is the latest ; celebrated on the first Sunday before Easter.

* Earliest day on which International Fetish Day can fall, while January 21 is the latest ; celebrated on the third Friday in January.

* Earliest day on which Mother's Day can fall, while June 30 is the latest ; celebrated on the last Sunday in June.

** Earliest day on which Day of the Finnish Flag can fall, while June 26 is the latest ; celebrated on Saturday of Midsummer's Day ( Finland )