Since the university's establishment in the city in 1837, the histories of the University of Michigan and Ann Arbor have been closely linked.

Since German reunification on 3 October 1990, Berlin has been one of the three city states, together with Hamburg and Bremen, among the present 16 states of Germany.

Since May 2009, the portions of Broadway through Duffy Square, Times Square, and Herald Square have been closed entirely to automobile traffic, except for cross traffic on the Streets and Avenues, as part of a traffic and pedestrianization experiment, with the pavement reserved exclusively for walkers, cyclists, and those lounging in temporary seating placed by the city.

Since 1987 the Congress operates in the port city of Valparaíso, about 110 kilometers (~ 70 mi.

Since the 1980s, many motion pictures have been filmed in the city, most notably The Blues Brothers ; Ferris Bueller's Day Off ; Home Alone ; The Fugitive ; I, Robot ; Wanted ; Batman Begins ; The Dark Knight ; and Transformers: Dark of the Moon.

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 beginning of Norman rule in the 12th century, the city has functioned as the capital in varying geopolitical entities: Lordship of Ireland ( 1171 – 1541 ), Kingdom of Ireland ( 1541 – 1800 ), island as part of the United Kingdom of Great Britain and Ireland ( 1801 – 1922 ), and the Irish Republic ( 1919 – 1922 ).

Since reunification, the German government has spent vast amounts of money on reintegrating the two halves of the city and bringing services and infrastructure in the former East Berlin up to the standard established in West Berlin.

Since its construction, it has become a landmark and a symbol for the city.

Since the 1990s, the Sunday brunch has also become common, especially in city cafés.

Since 2001 it is part of the Hanover district ( Region Hannover ), which is a municipal body made up from the former district ( Landkreis Hannover ) and city of Hanover ( note: although both Region and Landkreis are translated as district they are not the same ).

Since inaugural event in 1950, Indianapolis is the only city in the United States to have hosted the event.

Since then, no city in Japan has had the name " Tokyo " ( present-day Tokyo is not officially a city ).

* Since its 1824 renaming in his honor, the capital city of the West African country of Liberia has been named Monrovia.

Since 1933, Jacksonville has been the site of the annual Florida vs. Georgia Football Classic, a major college football rivalry game between the University of Florida Gators and the University of Georgia Bulldogs, and since 1946, the city has hosted the Gator Bowl, one of the oldest annual college football bowl games.

Since the Marxist revolution in 1978, the city has been a target of foreign-backed militant groups such as the Mujahideen, Taliban, Haqqani network, Hezbi Islami, and others.

Since 2008 the Afghan National Security Forces ( ANSF ) are in charge of security in the city.

Since 1992 the city is the seat of the Diocese of Legnica.

Since the 1970s the city has also been home to a rich, if fluctuating, array of independent theatre groups and some show / musical companies.

Since the enactment of EU legislation concerning the concentration of particulate in the air, environmental groups such as Greenpeace have staged large protest rallies to urge the city council and the State government to take a harder stance on pollution.

Since then, Munich has become Germany's third largest city.

Since then, the event has expanded into a full weekend and is held in a different city each year.

Since Austria straddles the Alps, it is a prime location for skiing.

Since it is physically impossible for any Swedish town to face Jumne, the latter being situated along River Oder, Adam's statement is probably a misunderstanding.

Since then it has been eroding, creating dramatic incised valleys, and providing the sediment that gives the Yellow River its yellow color and that causes the flooding of the river in the lower reaches ( hence the river's nickname ' China's sorrow ').

Since ferry services were inoperable during the winter months, " rum-runners " traveled across the frozen Detroit River by car to Canada and back with trunk loads of alcohol.

Since the 19th century, Venezuela has claimed all of Guyana west of the Essequibo River — 62 % of Guyana's territory.

Since 1939, the base's water had been supplied by pipelines that drew water from the Yateras River about northeast of the base.

Since Indiana was first settled in its southern tier ( the state's first capital, Corydon, is in the south near the Ohio River ), it is hypothesized that the name was carried as the population expanded northward in the state.

Since 2002, most of the attention in the search for the Ivory-billed Woodpecker has turned away from the Pearl River region, although several unconfirmed sightings have been reported there since February 2006, see video clips.

Since Zambia's independence, two dams have been built on the Kafue River: the Kafue Gorge Dam and the Itezhi-Tezhi Dam.

Since 1638, Sweden also maintained the colony of New Sweden along the Delaware River in North America.

Since 1950, almost every year at Easter, long distance canoeists have been competing in what is now known as the Devizes to Westminster International Canoe Race, which follows the course of the Kennet & Avon Canal, joins the River Thames at Reading and runs right up to a grand finish at Westminster Bridge.

Since 1878 the Northern Arapaho Nation has lived with the Eastern Shoshone on the Wind River Reservation in Wyoming.

Since completion of the River Common, various improvements to city infrastructure have been progressing.

Since the Yangtze River flows through the basin and is thus upstream of eastern and southern China, navies could easily sail downstream.

Since 1993, Jimmy Webb produced four critically acclaimed solo albums: Suspending Disbelief ( 1993 ), Ten Easy Pieces ( 1996 ), Twilight of the Renegades ( 2005 ), and Just Across the River ( 2010 ).

Since the opening of the W. Kerr Scott Dam in 1962, the Yadkin River has not flooded in the county.

Since 2000 a significant number of new flats have been constructed by the River Thames by private companies such as George Wimpy.

Since 1991, Quaggy Waterways Action Group ( QWAG ) have spent millions maintaining the River Ravensbourne.

Since Texas was an independent republic, the Sabine River constituted an international border.

Since time immemorial, all Broadland waters had been considered part of the King ’ s River and thus freely accessible to all.

Since the transfer of the assets and responsibilities of British Waterways to the Canal & River Trust the Waterways Trust in England and Wales has merged with the Canal & River Trust.

Since Bellefonte is closer to the Tennessee River than Sauta, and closer to the future site of Scottsboro, more settlers started moving to the area, since they wanted to be near the county seat.

Since McGrath was the northernmost point on the Kuskokwim River accessible by large riverboats, it became a regional supply center.

Since 1837, MacGregor had been operating a ferry across the Mississippi River between Prairie du Chien, Wisconsin and the present site of McGregor, Iowa.

Since 2009, the city's downtown has been the center of an extensive renovation and remodeling featuring a refacing or rebuilding of many buildings on Grand River Avenue, as well as brick paver sidewalks, the Farmington Pavilion, new lighting, and landscaping.