September 2017 DoubleTree by Hilton launches “Your Warm Cookie Awaits” integrated marketing campaign.
February 2017 DoubleTree by Hilton opens its 100th EMEA hotel, DoubleTree by Hilton Madrid - Prado.
DoubleTree by Hilton celebrates its 500th hotel opening with DoubleTree by Hilton Hotel New York Times Square West.
December 2016 DoubleTree by Hilton debuts in the country of Belarus with DoubleTree by Hilton Minsk.
May 2016 DoubleTree by Hilton opens its first hotel in Fiji, DoubleTree Resort by Hilton - Fiji Sonaisali Island.
February 2016 DoubleTree by Hilton opens its first hotel in Armenia, DoubleTree by Hilton Yerevan City Centre.
December 2015 DoubleTree by Hilton opens DoubleTree by Hilton Bogota Parque 93, the brand's first hotel in Columbia.
September 2015 DoubleTree by Hilton Hotel & Suites Victoria: first DoubleTree by Hilton opens on Vancouver island.
August 2015 First DoubleTree by Hilton on Spain's Costa Del Sol opens: DoubleTree Resort & Spa by Hilton Reserva del Higueron.
April 2015 DoubleTree by Hilton welcomes travelers to Chile with its first hotel opening in the country, DoubleTree by Hilton Santiago - Vitacura.
February 2015 DoubleTree by Hilton opens DoubleTree by Hilton Galveston Beach, the brand's first hotel on the island.
November 2014 DoubleTree by Hilton Queenstown opens its doors as the brand's first property in New Zealand.
October 2014 DoubleTree by Hilton opens the brand's 400th property: DoubleTree by Hilton Cairns.
March 2014 DoubleTree by Hilton gives away the 300 millionth cookie at guest check in, celebrating with the launch of the Cookie Care campaign in New York City.
December 2014 DoubleTree by Hilton expands with its first Indian Ocean resort, DoubleTree by Hilton Seychelles - Allamanda Resort & Spa.
May 2013 DoubleTree by Hilton goes "down under" for the first time with openings in Darwin and Alice Springs, Northern Territory, Australia.
February 2013 DoubleTree by Hilton converts its first hotel in Ireland, The Morrison - a DoubleTree by Hilton (Dublin).
January 2013 The first Made Market restaurant opens in Tulsa, Oklahoma at the DoubleTree by Hilton Tulsa-Downtown. Made Market is an F&B concept developed for the DoubleTree brand by Hilton Worldwide's Restaurant Concepts team. The turnkey restaurant solution was developed to offer owners an alternative to the third party leased restaurant and offer guests flexible all-day casual dining with a grab and go option.
December 2012 DoubleTree by Hilton enters the Iberian Peninsula with DoubleTree by Hilton Hotel & Spa Emporda on Spain's Costa Brava.
November 2012 DoubleTree Resort by Hilton Phuket-Surin Beach opens, marking the brand's entry into Thailand.
May 2012 DoubleTree by Hilton opened its 300th property earlier this year in Naha, Japan, the first DoubleTree by Hilton hotel in Japan.
May 2011 DoubleTree by Hilton celebrates official public launch of new global brand awareness campaign, in conjunction with the opening of the brand's 250th milestone hotel - the DoubleTree by Hilton Istanbul-Moda.
April 2011 Brand begins hospitality legacy in the United Arab Emirates with opening of hotel in Ras al Khaimah.
March 2011 First DoubleTree by Hilton welcomes travellers to the Middle East with hotel opening in Aqaba, Jordan.
December 2010 DoubleTree by Hilton Varna-Golden Sands in Bulgaria marks 200th Hilton Worldwide hotel opening in Europe.
October 2010 DoubleTree by Hilton announces and introduces new global identity at Hilton Worldwide Global Partnership Conference in Orlando, the first of a comprehensive, multi-phase rebranding initiative that launches in the first half of 2011.
September 2010 DoubleTree by Hilton makes Turkey debut with hotel opening in country's capital city of Ankara.
Siberia's largest city welcomes first Russian DoubleTree by Hilton hotel in Novosibirsk.
August 2010 First DoubleTree by Hilton opens in Scandinavia with opening of city centre hotel in Oslo, Norway.
July 2010 Southeast Asia celebrates opening of first DoubleTree by Hilton with 540- room hotel in the heart of Kuala Lumpur, Malaysia.
May 2010 DoubleTree by Hilton now open in 10 countries across the globe, with opening of the DoubleTree by Hilton Resort Kos-Helona, Greece.
December 2009 Travellers welcomed to DoubleTree by Hilton on its fifth continent with dual Africa hotel openings in Dar Es Salaam and Zanzibar, Tanzania.
September 2009 World's largest DoubleTree hotel - the 1,094-room DoubleTree Resort Orlando-International Drive - celebrates grand opening with completion of a $35 million refurbishment initiative.
March 2009 DoubleTree by Hilton enters Eastern Europe with the opening of the 187- room DoubleTree by Hilton Kosice in Slovakia.
February 2009 DoubleTree celebrates 200,000,000th milestone of presenting the warm welcome of their legendary chocolate chip-walnut cookies to hotel guests, customers and the community.
November 2008 DoubleTree celebrates 200th hotel milestone with the grand opening of the Courthouse DoubleTree by Hilton London-Regent Street
September 2008 Worldwide expansion of the Doubletree brand continues with the opening of the first DoubleTree in Continental Europe - the DoubleTree by Hilton Milan in Italy.
July 2008 DoubleTree by Hilton officially debuts in Asia with the opening of the 547- room DoubleTree by Hilton Beijing, just in time for the 2008 Summer Olympic Games.
June 2008 DoubleTree by Hilton expands to the Caribbean, with the opening of a hotel in San Juan, Puerto Rico.
May 2008 DoubleTree Hotels is presented with the Promise to the Earth Award - a lifetime achievement award by the Arbor Day Foundation for the brand's commitment to social responsibility through environmental awareness and community outreach.
April 2008 DoubleTree by Hilton debuts in Europe with the opening of the DoubleTree by Hilton Cambridge, marking the brand's first hotel in the United Kingdom and the first hotel outside of the Americas.
DoubleTree by Hilton begins long-term relationship with the Woodland Trust -- the UK's leading woodland conservation organization to further expand the brand's commitment to social responsibility through environmental awareness and community outreach.
February 2008 Exploring Trees Inside and Out - the first-of-its-kind traveling museum exhibit dedicated to connecting kids to the importance of trees and the environment is launched in Seattle. Presented and developed exclusively through the generous support of DoubleTree Hotels and created by the Arbor Day Foundation and Dimensions Educational Research Foundation, the interactive educational experience welcomed more than 1.5 million visitors during its three-year tour to some of the top children's museums and science centers across the United States.
January 2008 DoubleTree by Hilton begins worldwide brand expansion in Central America, with simultaneous opening of two DoubleTree properties in Costa Rica.
May 2007 DoubleTree reaches 200,000 tree-planting milestone with the Arbor Day Foundation through its award-winning Teaching Kids to CARE® program and additional community tree planting campaigns with the general public.
December 2004 Sweet Dreams by DoubleTree Sleep Experience is available at every DoubleTree hotel across North America in just nine months.
April 2004 DoubleTree extends Teaching Kids to CARE® program to include a spring environmental education initiative and begins long-term social responsibility relationship with the Arbor Day Foundation.
March 2004 DoubleTree introduces the Sweet Dreams by DoubleTree® Sleep Experience and encourages aggressive deployment of the luxurious linen and bed package across all DoubleTree hotels.
September 2003 DoubleTree expands into Canada with opening of the 433-room DoubleTree by Hilton International Plaza Hotel in Toronto.
June 2002 DoubleTree presents its 100,000,000th chocolate chip cookie to a surprised guest at check-in Minneapolis.
September 2002 DoubleTree Hotels launches Teaching Kids to CARE®, as part of the system-wide revival of the brand's longstanding CARE Culture business philosophy. To date, the program has taught millions of grade school students the importance of citizenship and social responsibility at schools and youth organizations in 250 cities worldwide. With more than 40 local, regional and national awards, Teaching Kids to CARE has become one of the most celebrated community outreach efforts in the travel industry.
December 1999 Merger between Hilton Hotels Corporation and Promus Hotels Corporation completed and Embassy Suites Hotels, DoubleTree Hotels, Hampton Inn, Hampton Inn & Suites, and Homewood Suites officially become part of the Hilton Worldwide, creating one of the world's largest, strongest hospitality organizations.
December 1997 Merger between Promus Hotel Corporation and DoubleTree Corporation is approved by shareholders. DoubleTree Hotels becomes part of Promus.
November 1996 DoubleTree Corporation acquires Red Lion Hotels, Inc.
May 1994 DoubleTree Corporation is formed, following merger of Guest Quarters Suites Hotels and DoubleTree Hotels, creating the first new nationwide hotel brand to appear in the upscale market in several years.
February 1986 DoubleTree develops and introduces the brand's current signature recipe of freshly-baked chocolate chip cookies to welcome guests at check-in.
January 1969 First DoubleTree Hotel opens in Scottsdale, Arizona, USA.