Question: When did the  revolutionary wave which made Jordanian tourism lost $1 billion  in 2011 began 
Context: The Arab Spring, (Arabic: الربيع العربي‎ ‎ "ar-Rabīʻ al-ʻArabī") also referred to as Arab revolutions (Arabic: الثورات العربية‎ ‎ "aṯ-'awrāt al-ʻarabiyyah"), was a revolutionary wave of both violent and non-violent demonstrations, protests, riots, coups and civil wars in North Africa and the Middle East that began on 17 December 2010 in Tunisia with the Tunisian Revolution. “Saraya Aqaba” is a Jordanian private shareholding company, whose founding shareholders include Saraya Jordan, Jordan’s Social Security Corporation, Aqaba Development Corporation, and Arab Bank plc.  Saraya Aqaba will implement the US$1 billion “Saraya Aqaba Project”, a tourism and leisure destination, with a mixed-use themed development.  Situated on the northern tip of the Gulf of Aqaba, the construction of the Saraya Aqaba Project and its man-made lagoon will add approximately 1.5 km of beachfront to the city of Aqaba. The Revolutions of 1820 were a revolutionary wave in Europe.  It included revolutions in Spain, Portugal, Russia, and Italy for constitutional monarchies, and for independence from Ottoman rule in Greece.  Unlike the revolutionary wave in the 1830s, these tended to take place in the peripheries of Europe. The largest projects in the Philippine Economy includes both megaprojects, costing over $1 billion, and other large investment projects, typically costing between $10 million and $1 billion.  Projects with investments below $10 million also may be included here, either as parts of larger projects, or in case of major international significance and media coverage.  In case of projects involving new vehicle models, the cost of development is taken into account as well as the cost of production. Privatizations in Morocco were initiated by the Moroccan government in the early 1990s, following a policy of privatization of certain economic sectors which used to be in the hands of the government.  Privatizations started in earnest in 1993, and advanced at a steady pace, averaging one sale of a public company per month.  Raising more than US $1 billion in revenue plus investment commitments of another US $260 million, by the end of that year.  The number of partly or fully privatized companies in Morocco between 1993 and 2005 reached 66 earning overall MAD 75.5 billion.  The various industries affected include airlines, telecommunications, large industrial projects, and tourism.  In the agricultural sector, the government plans to sell off agricultural lands currently managed by state farms. The Vineyard Beverly Hills is a 157 acre undeveloped property in Beverly Hills, California reportedly worth $1 billion.  One of the owners is Victorino Noval.  The property was offered via a website for not under $1 billion and taken off the market in 2015.  In 1997, Mark R. Hughes, the founder of Herbalife, bought the property for $8.5 million from a member of the Shah of Iran's family; since then it has gone through a number of owners, following a complex lawsuit after Hughes' death. Midwest Federal Savings and Loan was an American bank headquartered in Minneapolis, Minnesota.  Starting in the mid-1960s, its headquarters were located at 801 Nicollet Mall in what is now called McGladrey Plaza.  Midwest Federal was in business for ninety-nine years until its failure in 1989.  Its collapse was due mostly to bad real estate loans.  On April 22, 1991 the "St. Paul Pioneer Press" called the bank's failure the "largest financial disaster in Minnesota history" and was part of the savings and loan crisis of the 1980s.  Midwest Federal had assets of $3.5 billion, was liquidated by the Government at a cost of $1 billion to taxpayers.  Midwest was $1 billion in debt when it was seized by regulators in February 1989. Arthur James Edward Child, {'1': ", '2': ", '3': ", '4': "} (May 19, 1910 – July 30, 1996) was a Canadian businessman and former chairman and chief executive officer of Burns Foods Limited of Calgary.  Arthur James Edward Child and his business partner Ron Jackson acquired the food processing and distribution company in a leveraged management buyout in 1986.  With sales in excess of $1 billion, Burns Foods was involved in meat processing, dairy, food warehousing and distribution, and vegetable processing businesses.  Over a 12-year period, Arthur James Edward Child and his management team built Burns Foods into a leading Canadian food company with over $1 billion in annual sales.  Beginning in 1995, a majority of the Burns Foods’ subsidiaries were sold generating an exceptional return to the shareholders. The Longaberger Company is an American manufacturer and distributor of handcrafted maple wood baskets and other home and lifestyle products.  It was one of the primary employers in the area near Dresden, Ohio with more than 8,200 employees and 1 billion dollars in sales.  Started in Dresden, the company is now headquartered in Newark, Ohio.  A family-owned and operated business, the Longaberger Company was started by Dave Longaberger in 1973, and was taken over in 2013 by CVSL, Inc.  It is currently led by John Rochon Jr, the son of the John P. Rochon, founder and chairman of JRJR Networks and Richmont Holdings.  There are currently fewer than 75 full-time and part-time employees.  Approximately 30 of those still make baskets.  A combination of a recession and changing tastes in home decor combined to send sales, which peaked in 2000 at $1 billion, to about $100 million in 2012. Tourism is one of the most important sectors in Jordan's economy.  In 2010, over 8 million tourists from various countries visited Jordan, with tourist receipts amounting to about 3.5 billion dollars.  An additional $1 billion was earned through medical tourism to the kingdom.  In 2011, Jordanian tourism lost $1 billion due to the political instability across the region.
Answer: 17 December 2010