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 late 1930s alloy steels have been used for frame and fork tubes in higher quality machines.

Since the late 1980s, evidence has become available that instillation of BCG into the bladder is an effective form of immunotherapy in this disease.

Since its introduction at games by the " Roar from 34 ", led by Wild Bill Hagy and others, in the late 1970s, it has been a tradition at Orioles games for fans to yell out the " Oh " in the line " Oh, say does that Star-Spangled Banner yet wave " in " The Star-Spangled Banner ".

Since the late nineteenth century, the South used a colloquial term, the one-drop rule, to classify as black a person of any known African ancestry.

Since the late nineteenth century, only two brief periods of violence have marred its democratic development.

Since there is no evidence that late Maastrichtian nonavian dinosaurs could burrow, swim or dive, they were unable to shelter themselves from the worst parts of any environmental stress that occurred at the K – T boundary.

Since the late 1990s, Orange has also been working in conjunction with singer / songwriter Craig Deanto, and they have released an album titled Who Hears the Cries.

Since 2000Actually the most important are: Cable Onda ( 40 % share ), Cable and Wireless ( started on late 2009 ) and CTV.

Since these geographic considerations imply that, not including the hill within, the walls would be willfully making the city prone to attack from it, some scholars, including the late 19th century surveyors of the Palestine Exploration Fund, consider it unlikely that a wall would ever have been built that would cut the hill off from the city in the valley ; archaeological evidence for the existence of an earlier city wall in such a location has never been found.

Since the late 1990s, custom dog tags have become fashionable amongst musicians ( particularly rappers ), and as a marketing giveaway item.

Since the late 1980s, prominent individuals and organizations have recognized the seminal importance of Engelbart's contributions.

Since the late 1990s, Dublin has experienced a significant level of net immigration, with the greatest numbers coming from the European Union, especially the United Kingdom, Poland and Lithuania.

Since the late 19th century, differential geometry has grown into a field concerned more generally with the geometric structures on differentiable manifolds.

Since then McLean has stated that the lyrics are also somewhat autobiographical and present an abstract story of his life from the mid-1950s until the time he wrote the song in the late 1960s.

Since the late 1980s, the field has been revived in the wake of progress made in the related fields of psycholinguistics, neurolinguistics, evolutionary anthropology, evolutionary psychology, and cognitive science.

Since the late ' 60s, the exploitation of oil increased production and reserves are estimated at 4. 036 million barrels

Since its acquisition of Verant in late 1999, SOE develops, runs, and distributes EverQuest.

Since the late 1990s, almost all release prints have used polyester film stock.

Since the late 1990s, bzip2, a file compression utility based on a block-sorting algorithm, has gained some popularity as a gzip replacement.

Since the late 1970s, towns in the north began industrial production through maquiladoras, especially in San Pedro Sula and Puerto Cortés.

Since the late 1980s, Indonesia has made significant changes to its regulatory framework to encourage economic growth.

* interface to personal computers: Since the late 1990s, most pumps can interface with personal computers for managing and documenting pump programming and / or to upload data from the pump.

Since the late 1990s, the Jamaican government has set an agenda to push the development of technology in Jamaica.

Since the late Middle Ages the Kingdoms of England and Scotland had been evolving towards a quasi-oligarchical or collegiate form of government in which the monarch was held to rule with the consensus of the land-owning upper classes.

Since 2007, the Kelheim Berufsschule has had a campus in Abensberg, and outside the state sector is the St. Francis Vocational Training Centre, run by a Catholic youth organisation.

Since 2007 Raytheon has continued to slip on AMRAAM deliveries, leading the USAF to withhold $ 621 million in 2012 on account of 193 missiles not delivered.

Since December 2007, the main regular presenters on the channel have been Simon McCoy, Carrie Gracie, Matthew Amroliwala, Jane Hill, Jon Sopel, Emily Maitlis, Louise Minchin, Huw Edwards, Ben Brown, Joanna Gosling and Chris Eakin.

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

Since then they have had four separate periods in the top flight of English football: between 1936 – 1957, 1986 – 1990, 1998 – 1999 and 2000 – 2007.

Since then McLean has performed tours of the UK ( 2007, 2008 ( one appearance ), 2010, 2011 ), Ireland ( 2007, 2010, 2011 ), mainland Europe ( 2008, 2010 ), Australia and New Zealand ( 2008, 2011 ) and South East Asia ( 2011 ).

Since the enlargement, in May 2004 and January 2007, the co-operation covers 35 countries, the EU of 27, including Cyprus and Malta and the 10 Mediterranean Partners.

Since 30 June 2007, the island's governor has been Eustaquio Juan Santana Gil.

Since the 2007 election, the party's structure has significantly weakened.

Since July 2007, following the 2006 Palestinian legislative election and the following Battle of Gaza, Hamas has functioned as the de-facto ruler in the Gaza Strip, forming an alternative Hamas Government in Gaza.

Since then, only Ted Williams ( 1960, 29 ), Dave Kingman ( 1986 ; 35 ), Mark McGwire ( 2001 ; 29 ), and Barry Bonds ( 2007 ; 28 ) have hit as many or more homers in their final season.

Since 2007 the historic Leibniz Letters, which can be viewed in the Gottfried Wilhelm Leibniz Library, are on UNESCO's Memory of the World Register.

Since the fall of the Berlin Wall in 1989, and more recently, the 2004 and 2007 enlargements of the European Union, the main waves of migration came from the former socialist countries of Eastern Europe ( especially Romania, Albania, Ukraine and Poland ).

Since 1 January 2007, ISBNs have contained 13 digits, a format that is compatible with Bookland EAN-13s.

Since then they have appeared in the playoffs in 2006, 2007, 2008, and 2011.

Since 2007 Kuwait has been ruled by Sheikh Sabah Al-Ahmad Al-Jabir Al-Sabah and his designated successor, Sheikh Jaber Al-Mubarak Al-Hamad Al-Sabah, the prime minister and crown prince.

Since the 1950s, manga has steadily become a major part of the Japanese publishing industry, representing a ¥ 406 billion market in Japan in 2007 ( approximately $ 3. 6 billion ) and ¥ 420 billion ($ 5. 5 billion ) in 2009.

Since June 2007, a three-times daily floatplane service, operated by Harbour Air Malta, has linked the sea terminal in Grand Harbour to Mgarr harbour in Gozo.

Since 2006, the Vikings have been known especially for their strong run defense (# 1 in the NFL in 2006, 2007, and 2008 ; they are the first NFL team to accomplish this since the AFL – NFL merger in 1970 ), anchored by the Williams Wall consisting of defensive tackle Kevin Williams and nose tackle Pat Williams ( no relation ).

Since 2007, the United States has been providing billions of dollars in military aid to Afghanistan.

Since September 27, 2007, the U. S. Department of Treasury designated 25 senior Burmese government officials as subject to an asset block under Executive Order 13310.

Since then, a very similar agreement was reached on February 13, 2007, that includes normalizing US-North Korean and Japanese-North Korean diplomatic ties on the condition that North Korea freeze its Yongbyon nuclear facility.

Since all the previous LO routes were operated by National Rail franchise Silverlink until November 2007, they have continued to be shown in the National Rail timetable and are still considered to be a part of National Rail.

Since 2007, the Xiph. Org Foundation recommends that. ogg only be used for Ogg Vorbis audio files.