* Since Big Brother 2, the UK series always opens with a twist which have included the public being able to choose the final housemate out of three possibilities ( Big Brother 2 ), the public voting for a housemate to leave during the first week and then the housemates choosing between the two housemates with the least number of votes ( Big Brother 3 ), First Night Nominations ( Big Brother 4 ), Suitcase Nominations ( Big Brother 5 ), Unlucky Housemate 13 ( Big Brother 6 ), Big Brother Hood ( Big Brother 7 ), an all-female House and the first inclusion of twins as contestants ( Big Brother 8 ), the first couple to enter as housemates and set a secret task to hide their real relationship ( Big Brother 9 ), all " housemates " really being " non-housemates " who had to earn their housemate status ( Big Brother 10 ), a mole entering the House with an " Impossible Task " ( Big Brother 11 ), Jackie Stallone entering a house containing her son's ex-wife ( Celebrity Big Brother 3 ), the entrance of a non-celebrity in a celebrity edition ( Celebrity Big Brother 4 ) and Jade Goody's family announced to be visiting.

Since then, Costa Rica has held 13 presidential elections, the latest in 2010.

Since the mass numbers of these are 12, 13 and 14 respectively, the three isotopes of carbon are known as carbon-12, carbon-13, and carbon-14, often abbreviated to < sup > 12 </ sup > C, < sup > 13 </ sup > C, and < sup > 14 </ sup > C.

Since there is no conclusive or certifiable evidence on Earth or elsewhere in the known universe of other intelligent life after 13. 7 billion years of the universe's history, we have the conflict requiring a resolution.

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

Since the previous census in 2000 the country's population decreased by 309 thousand or 13 %.

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 the Order ceremonies are always held during the hockey season, it took 13 years and 7 months — and two Governors General — before he could accept the honour.

Since 5 < sup > 2 </ sup > + 12 < sup > 2 </ sup > = 13 < sup > 2 </ sup >, ( 5, 12, 13 ) forms a Pythagorean triple.

Since 1987 it has formed one of the country's 13 regions and is further ( since the Kallikratis reform of 2010 ) sub-divided into 5 regional units and 25 municipalities.

Since the time required for a white dwarf to reach this state is calculated to be longer than the current age of the universe ( 13. 7 billion years ), no black dwarfs are expected to exist in the universe yet, and the temperature of the coolest white dwarfs is one observational limit on the age of the universe.

Since 1989, she has released nine studio albums to critical acclaim, her most recent 2010's Memphis Blues which became Billboard's most successful blues album of the year, remaining at number 1 for 13 consecutive weeks.

Since the 2010 election, 47 of these councillors are Conservative and 13 are Labour.

Since 1970, the equivalent proportions for Sundays and weekdays ( leaving aside major feasts ) have been 13. 5 % of the Old Testament and 71. 5 % of the New Testament.

Since 1990, Lowell has averaged about 5 homicides per year with the highest being 13 homicides in 2006.

Since their formation they have released 13 studio albums and one live album.

Since December 13, 2010 UKIRT is operated remotely from Hilo in a minimalist operation mode ( no observers present ).

Since then Earle has released 13 other studio albums and received three Grammy awards.

Since July 1 2012, the Prime Minister's monthly salary is 148, 000 SEK (€ 16, 893 / $ 21, 387 / £ 13, 614 ) or 1, 776, 000 SEK (€ 202, 716 / $ 256, 649 / £ 163, 372 ) per year.

Since 1998, in addition to the print and CD-ROM editions of the 22-volume, 13, 800-page encyclopedia, World Book also publishes an online version called the World Book Online Reference Center.

Since 1982, RMI has grown into a broad-based " think-and-do tank " with more than 85 staff and an annual budget of some $ 13 million.

Since Livy is using 4, 000 infantry and 300 cavalry as the standard complement of a legion, Scipio should have had 12, 000 Roman infantry and 900 Roman cavalry plus maximum 13, 700 allied infantry and 1, 000 cavalry.

Since a calendar year has 12 or 13 new and full moons, it is sufficient to evaluate the solar term for 12 representative phases of this annual cycle, and put these in another table.

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 October 1993 the nation has suffered from massive ethnic-based violence which has resulted in the death of perhaps 250, 000 people and the displacement of about 800, 000 others.

Since October 1998, Chadian Movement for Justice and Democracy ( MDJT ) rebels, led by Youssuf Togoimi until his death in September 2002, have skirmished with government troops in the Tibesti region, resulting in hundreds of civilian, government, and rebel casualties, but little ground won or lost.

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 4 October 2011 the party is represented in all state parliaments.

Since the constitutional amendment of 23 October 1989, Hungary is a parliamentary republic.

Since that, bilateral trade between Malaysia and Oman stood at nearly RM500 million during January – October 2010, with Malaysia's main exports to Oman being edible oil, machinery, appliances and parts, wood products, electrical and electronic products.

Since there was no compromise coming from Henry V, it was determined on 30 October 1119 that the Emperor and his antipope should be solemnly excommunicated.

Since the ousting of former Federal Yugoslav President Slobodan Milošević in October 2000, the Democratic Opposition of Serbia ( DOS ) coalition government has implemented stabilization measures and embarked on an aggressive market reform program.

Since the ousting of former Federal Yugoslav President Slobodan Milošević in October 2000, the Democratic Opposition of Serbia ( DOS ) coalition government has implemented stabilization measures and embarked on an aggressive market reform program.

Since October 2006, people can also get married at Schiphol.

Since October 2005, Turkey has formally started accession negotiations with the EU and these will be based on the acquis communautaire.

Since 2005 there has been an unofficial holiday called Wombat Day observed on 22 October, at the beginning of the traditional aboriginal spring planting season.

Since October 2000, the country has worked to stabilize and strengthen its bilateral relationships with neighboring countries.

Since October 5, 2000, foreign embassies, including that of the U. S., have reopened, and the country has regained its seat in such international organizations as the Organization for Security and Co-operation in Europe ( OSCE ) and the United Nations and is actively participating in International Monetary Fund ( IMF ) and World Bank projects.

Since October 2000, however, the European Union aid has steadily increased, and U. S. restrictions on aid have fallen away as the union of Serbia and Montenegro stepped forward to meet its international obligations.

Since October 2010, Wine also works on the ARM platform when used as Winelib ( which lets developers compile Windows code on Linux using Wine as a library ).

* " Sorry " / " Since My Best Gal Turned Me Down ", recorded on October 25, 1927, in New York and released as Okeh 41001

Since 1st October 1992, this cut-off may be considered to occur at 24 weeks gestation in the United States, since the law and definition of abortion changed to bring it closer to the gestation at which a fetus becomes viable.

Since then, Iceland has resumed whaling for scientific purpose and has rejoined the IWC ( in October 2002 ).

Since reunification on 3 October 1990, the black-red-gold tricolour has remained the flag of Germany.

Since October 1990 she has been a member of the regional Parliament in Thuringia.

Since October 2010, programming on both night's schedules has been somewhat fluid as while all series have a permanent place on the Friday and Sunday primetime schedules, episode premieres of all Disney Channel original series are subject to being rotated on and off the schedule depending on the schedule for that given week as they usually air as part of a 90-minute block from 8 – 9: 30 p. m. ET / PT on Friday evenings and 7: 30 – 9 p. m. ET / PT on Sunday evenings.

Since then Vans Skatepark in Orange County rebuilt a replica of the original Combi Pool, its been host to some of the greatest contest of the past decade. The Pipeline Skatepark also influenced the rebuild of a 20 foot full pipe in Upland's Memorial Park, It was designed by none other than Pipeline's local and most respected Steve Alba and constructed by California Skatepark and was dedicated on October 12 2002 by Mayor John Pomierski.

Since October 1993 it has been headquartered in Monaco.