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1849

John Boot opens first Boots store, selling herbal remedies, in Goose Gate, Nottingham, UK
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1851

Maison Thomas pharmaceutical distributor is founded in Agen, France
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1870

The Boots business begins to develop under Jesse Boot, John Boot's son
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1896

Interpharm pharmaceutical distributor created in The Netherlands
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1901

Charles R. Walgreen Sr. purchases the drugstore where he had worked as a pharmacist in Chicago, USA
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1909

Walgreen Co. is formed and the drugstore chain expansion begins with the opening of its second store
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1915

Edgar Moss opens his first Moss Chemists store in Middlesex, UK
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1919

S.A.F.A pharmceutical distributor is created in Spain
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1922

Walgreens invents the malted milkshake
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1927

Walgreens stock becomes publicly traded

Boots acquires Beeston site in Nottingham


 
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1933

Boots opens its 1,000th store in the UK
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1934

Walgreens stock is listed on the New York Stock Exchange
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1935

Boots launches No7 cosmetics
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1938

UniChem group is formed in the UK to wholesale pharmaceutical products to independent pharmacies
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1939

Boots launches Soltan suncare range
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1950

Walgreens begins the transition to self-service stores

Moss Chemists prescription service delivery vans begin operating
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1951

The first self-service Boots stores are trialed in London, UK
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1960

Walgreens enters the Puerto Rico market
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1968

Walgreens becomes the first major drugstore chain in the USA to put its prescriptions into child-resistant containers
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1969

Boots launches ibuprofen (Brufen) in the UK
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1975

Walgreens reaches $1 billion in sales
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1977

Pharmaceutical wholesaler Alleanza Farmaceutica is founded by Stefano Pessina in Italy
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1981

The first Intercom pharmacy computers are installed in Walgreens pharmacies in Iowa
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1982

Pharmaceutical wholesaler Di Pharma is founded by Ornella Barra in Italy
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1984

Walgreens opens its 1,000th store
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1991

Walgreens opens its first drugstore with a drive-thru pharmacy

UniChem purchases Moss Chemists in the UK

Alliance Santé group is formed from the merger between Alleanza Salute Italia and French pharmaceutical wholesalers ERPI and IFP
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1997

Alliance UniChem is formed from the merger of UniChem and Alliance Santé
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1998

Alliance UniChem acquires S.A.F.A. in Spain

Boots becomes the largest retail pharmacy chain in Ireland
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1999

Walgreens.com launches its online pharmacy
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2000

Walgreens opens its 3,000th store in Chicago

Alliance UniChem commences acquisition of Alliance Apotekene pharmacies in Norway and acquires 25% stake in Turkish pharmaceutical wholesaler, Hedef

Alliance UniChem acquires Interpharm pharmaceuticual wholesaler and De Vier Vijzels pharmacy chain in The Netherlands
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2002

Walgreens becomes the first drugstore chain to offer prescription labels in multiple languages chainwide

Alliance UniChem increases its stake in Hedef Alliance to 50%
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2004

Alliance UniChem acquires 29.99% of German pharmaceutical wholesaler ANZAG
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2006

Alliance UniChem merges with Boots Group to form Alliance Boots

Walgreens acquires Happy Harry's drugstore chain

Walgreens begins offering in-store health clinics
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2007

Alliance Boots wholesale businesses begin to be rebranded to Alliance Healthcare

Alliance Boots is privatized

Walgreens opens its first store in Hawaii and its 6,000th store, located in Louisiana

Walgreens acquires Take Care Health Systems and Option Care

Over 1,000 Alliance Pharmacy stores in the UK begin to be rebranded to 'Your local Boots pharmacy'
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2008

Alliance Boots forms a 50:50 joint venture with Guangzhou Pharmaceuticals Corporation, a major pharmaceutical wholesaler in China

 
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2009

Merger of Boots Opticians and Dollond & Aitchison to form the second largest optical chain in the UK
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2010

Alliance Boots becomes the majority shareholder in Hedef Alliance

Alliance Boots becomes the majority shareholder in ANZAG

Walgreens completes its acquisition of the New York-based Duane Reade drugstore chain

Walgreens opens its first Well Experience format stores
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2011

Duane Reade opens 24-hour flagship store in New York at 40 Wall Street

Walgreens acquires drugstore.com and Beauty.com
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2012

Walgreens and Alliance Boots form a strategic partnership to create the first global pharmacy-led, health and wellbeing enterprise

Walgreens opens its 8,000th store in Los Angeles and acquires USA Drug, a pharmacy chain in the mid-South USA

Walgreens and Alliance Boots form Walgreens Boots Alliance Development joint venture in Bern, Switzerland
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2013

Walgreens and Alliance Boots announce a strategic, long-term relationship with AmerisourceBergen to collaborate on global supply chain opportunities
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2014

Walgreens Boots Alliance is formed through the full combination of Walgreens and Alliance Boots

Alliance Boots completes the acquisition of a 12% stake in Nanjing Pharmaceutical Company Limited, a major Chinese pharmaceutical wholesaler

Walgreens exercises option to complete second step of its strategic partnership with Alliance Boots

Alliance Boots completes acquisition of Farmacias Benavides in Mexico and Farmacias Ahumada in Chile
 
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2015

Walgreens enters into 20-year fulfillment agreement with Valeant Pharmaceuticals that includes reduced pricing on Valeant products
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2016

Hedef Alliance rebrands to Alliance Healthcare Turkey