Since conference and of the Food and Agriculture Organization's publication World Festival of Trees, and a resolution of the United Nations in 1954: " The Conference, recognising the need of arousing mass consciousness of the aesthetic, physical and economic value of trees, recommends a World Festival of Trees to be celebrated annually in each member country on a date suited to local conditions "; it has been adopted by the Netherlands.

Since 1977, New Zealand has celebrated Arbor Day on June 5, which is also World Environment Day, prior to then Arbor Day, in New Zealand, was celebrated on August 4 – which is rather late in the year for tree planting in New Zealand hence the date change.

Since the focus of his book was calculation, Bede gave instructions for computing the date of Easter and the related time of the Easter Full Moon, for calculating the motion of the Sun and Moon through the zodiac, and for many other calculations related to the calendar.

Since April 2007, The Beano has had five revamps to help it keep up to date.

Since 1582, when the Catholic Church adopted the Gregorian calendar while the Eastern Orthodox and most Oriental Orthodox Churches retained the Julian calendar, the date on which Easter is celebrated has again differed.

Since the ecclesiastical new moon falls on a date from 8 March to 5 April inclusive, the paschal full moon ( the 14th of that lunar month ) must fall on a date from 21 March to 18 April inclusive.

Since there are two different calendars currently in use among various Orthodox churches, two dates are listed: the first date is the date on the traditional Julian Calendar, the second date, after the slash, is the same day on the modern Gregorian Calendar:

Since then the university has observed this date in its calendar as Convocation Day.

Since gravitational effects are all around us, it is impossible to pin down the exact date when humans first discovered gravitational mass.

Since that date, several fortified ships have made the journey.

Since a paper describing the algorithm had been published in August 1977, prior to the December 1977 filing date of the patent application, regulations in much of the rest of the world precluded patents elsewhere and only the US patent was granted.

Since this date, the Undertones have performed several tours across the UK, Ireland, Continental Europe and North America.

Since the first term of the original federal officials began on this date and ended 2, 4, or 6 years later, this became the date on which new federal officials took office in subsequent years.

Since these events recur at different intervals, this particular sequence should be unique: the doctors found only one occurrence of this sequence while searching between 1250 and 1115 BC, the 135-year spread around the putative date for the fall of Troy.

Since the date of Easter is calculated differently in the East and West ( see Easter controversy ), in most years the two traditions celebrate Pentecost on different days ( though in some years the celebrations will coincide, as in 2010 and 2011 ).

Since he was a younger son, little attention was paid to him during his youth and his date of birth is therefore unknown.

Since Vaceti is another name for the Vascones, this reference is evidence of Basque ( Gascon ) settlement or control of the islands by that date.

Since he didn't become consul, he most likely died before that date.

Since that date there has been no further suggestion of banning the Australian flag from Big Day Out events.

Since the compilation of the Book of Joshua is regarded by textual scholars as late, probably being due to the deuteronomist, it is possible that the tribal allocations given within it date from after this annexation rather than before.

Since then, many Protestant denominations have made separate pronouncements, in which they not only approved birth control, but declared it at times to be a religious duty.

Since 1991, Croatia's death rate has continuously exceeded its birth rate ; the natural growth rate of the population is currently negative.

Since Mountbatten had no sons, when he was created Viscount Mountbatten of Burma of Romsey in the County of Southampton on 27 August 1946 and then Earl Mountbatten of Burma and Baron Romsey in the County of Southampton on 28 October 1947, the Letters Patent were drafted such that in the event he left no sons or issue in the male line, the titles could pass to his daughters, in order of seniority of birth, and to their heirs male respectively.

Since Lewes was named on the birth certificates as the father of these children despite knowing this to be false, and was therefore considered complicit in adultery, he was not able to divorce Agnes.

Since this fountain ends in death, it may also simply represent the life span of a human, from violent birth to a sinking end.

Since 2007, France and Italy have contested the Giuseppe Garibaldi Trophy ; it was created for the 200th anniversary of the birth of Giuseppe Garibaldi, the Italian hero who helped unify Italy.

Since DNA ( deoxyribonucleic acid ) can be modified only before birth, a mutation must have taken place at conception or within an egg such that an animal similar to a chicken, but not a chicken, laid the first chicken eggs.

Since birds lay eggs and rabbits and hares give birth to large litters in the early spring, these became symbols of the rising fertility of the earth at the March Equinox.

Since it is fatal to have two copies ( homozygous ), if two people with achondroplasia have a child, there is a 25 % chance of the child dying shortly after birth, a 50 % chance the child will have achondroplasia, and a 25 % chance the child will have an average phenotype.

Since at least the 12th century the cathedral has been an important destination for travellers – and remains so to this day, attracting large numbers of Christian pilgrims, many of who come to venerate its famous relic, the Sancta Camisa, said to be the tunic worn by the Virgin Mary at Christ's birth, as well as large numbers of secular tourists who come to see this UNESCO World Heritage Site.

Since she might have given birth to a son, a regency was set up under the heir presumptive Philip of Valois, Charles of Valois's son and a member of the House of Valois, the next most senior branch of the Capetian dynasty.

Since the disorder is present from birth the individual may have little or no understanding of the sense of smell, hence are unaware of the deficit.

Since the heat arrived after Sirius's appearance, it was said that Sopdet had given birth to it, thus Sopdu was seen as being a child of Sopdet, and thus also of Sah.

Since Diti's mind was impure ; tainted by lust, she would give birth to two unworthy sons who would violate all the ethics ( Dharma ) and follow the path of Adharma.

Since your take form ( birth ), what have you done?

Since its founding, the Ocean Grove Camp Meeting Association's mission is to provide opportunities for spiritual birth, growth, and renewal in a Christian seaside setting.

Since this was supposed to have taken place on 14 Nisan in the Jewish calendar, calculated to have been either 25 March or 6 April, it was believed that the date of Christ's birth will have been nine months later.

Since then, the company has sometimes used 1982 as the starting birth year for this generation.

Since 2002 several wild lynxes gave birth.

Since Christian tradition holds that Jesus was born at night ( based in Luke 2: 6-8 ), Midnight Mass is celebrated on Christmas Eve, traditionally at midnight, in commemoration of his birth.

Since persons not of noble birth in those days couldn't obtain the rank of officer in the navy, he became captain of one of the Dunkirk privateers.

Since Elonzo Williams was a Mason, and his wife was a member of Order of the Eastern Star the child was named after Hiram I of Tyre ( one of the three founders of the Masons, according to Masonic legend ), but his name was misspelled as " Hiriam " on his birth certificate.

Since the phenomenon in question depends upon the daily rotation of the Earth, the availability and accuracy of time and place of birth data is crucial to such studies, as is the criterion of " eminence ".