← Open Interactive Timeline Board

GlaxoWellcome (GSK)

Companies/United Kingdom  •  Curated by Admin Timeline.sg

GlaxoWellcome (GSK) traces its roots to 18th-century pharmacies and key mergers, evolving into a global pharmaceutical giant through landmark drugs like Zantac and Advair, and later splitting into GSK and Haleon.

Chronological Storyline (38 Milestones)

1715 CE

Plough Court Pharmacy Founded

Silvanus Bevan opens Plough Court pharmacy in London, the earliest ancestor of Glaxo. #pharmaceutical #history

Plough Court Pharmacy Founded
Plough Court Pharmacy Founded
By Maxwell Hamilton - https://web.archive.org/web/20161025072243/http://www.panoramio.com/photo/83921001, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=56073044
1848 CE

Joseph Nathan & Co. Established

Joseph Nathan founds a mercantile business in New Zealand, later evolving into Glaxo. #business

1873 CE

Joseph Nathan & Co. Moves to London

The company relocates to London, expanding into dairy products and later pharmaceuticals. #history

1880 CE

Burroughs Wellcome & Co. Founded

Silas Burroughs and Henry Wellcome establish Burroughs Wellcome & Co. in London, a predecessor of Wellcome. #pharmaceutical

Burroughs Wellcome & Co. Founded
Burroughs Wellcome & Co. Founded
By SVG encoded by Cdwn - [1] (originally uploaded to English Wikipedia, see history below), Public domain, https://commons.wikimedia.org/w/index.php?curid=101289792
1906 CE

Glaxo Baby Food Launched

Joseph Nathan & Co. introduces Glaxo, a dried milk powder for infants, marking the birth of the Glaxo brand. #nutrition #history

1913 CE

Wellcome Chemical Works Established

Wellcome opens chemical works in Dartford, focusing on pharmaceutical production. #manufacturing

1927 CE

Glaxo Laboratories Becomes Public

Glaxo Laboratories is incorporated as a public company on the London Stock Exchange. #finance

1935 CE

Glaxo Launches Ostelin Vitamin D

Glaxo introduces Ostelin, a vitamin D supplement, marking its entry into pharmaceuticals. #vitamins

1947 CE

Glaxo Begins Penicillin Production

Glaxo starts large-scale production of penicillin, contributing to post-war antibiotic supply. #antibiotics

1955 CE

Wellcome Discovers Allopurinol

Wellcome researchers discover allopurinol, a breakthrough treatment for gout. #medicine

Wellcome Discovers Allopurinol
Wellcome Discovers Allopurinol
By Jü - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=10557397
1966 CE

Glaxo Acquires Allen & Hanburys

Glaxo purchases Allen & Hanburys, a British pharmaceutical firm, expanding its product range. #acquisition

1969 CE

Wellcome Launches Acyclovir (Zovirax)

Wellcome introduces acyclovir, the first effective antiviral for herpes infections. #antiviral

Wellcome Launches Acyclovir (Zovirax)
Wellcome Launches Acyclovir (Zovirax)
By Vaccinationist - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=28623611
1981 CE

Glaxo Launches Ranitidine (Zantac)

Glaxo launches Zantac, a blockbuster acid reflux drug that becomes the world's best-selling prescription medicine. #pharma #blockbuster

Glaxo Launches Ranitidine (Zantac)
Glaxo Launches Ranitidine (Zantac)
By Ayacop - Own work (created with bkchem+inkscape, before Vaccinationist redraw with Adobe-Illustrator), Public domain, https://commons.wikimedia.org/w/index.php?curid=1513877
1985 CE

Glaxo Acquires the American Company

Glaxo acquires the US firm, strengthening its presence in the American market. #expansion

1987 CE

Wellcome Launches AZT (Retrovir)

Wellcome wins FDA approval for AZT, the first antiretroviral drug to treat HIV/AIDS. #HIV #breakthrough

Wellcome Launches AZT (Retrovir)
Wellcome Launches AZT (Retrovir)
By Fvasconcellos - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=1440150
1995 CE

Glaxo and Wellcome Merge to Form GlaxoWellcome

Glaxo acquires Wellcome for £9 billion, creating GlaxoWellcome, a global pharmaceutical powerhouse. #merger

1997 CE

GlaxoWellcome Launches Fluticasone (Flovent)

Fluticasone propionate, an inhaled corticosteroid for asthma, is launched under the brand Flovent. #asthma

GlaxoWellcome Launches Fluticasone (Flovent)
GlaxoWellcome Launches Fluticasone (Flovent)
By Fvasconcellos 23:08, 21 September 2007 (UTC) - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=2792196
1998 CE

GlaxoWellcome Launches Relenza

Relenza (zanamivir), an inhaled antiviral for influenza, is approved. #flu #antiviral

GlaxoWellcome Launches Relenza
GlaxoWellcome Launches Relenza
By Vaccinationist - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=24386059
2000 CE

GlaxoWellcome Merges with SmithKline Beecham

GlaxoWellcome and SmithKline Beecham combine to form GlaxoSmithKline (GSK), one of the world's largest drugmakers. #merger

2001 CE

GSK Launches Levitra

GSK and Bayer launch Levitra (vardenafil) for erectile dysfunction, competing with Viagra. #ED #pharma

GSK Launches Levitra
GSK Launches Levitra
By Vaccinationist - Own work, based on PubChem, Public domain, https://commons.wikimedia.org/w/index.php?curid=54427945
2003 CE

GSK Launches Advair Diskus

Advair Diskus (fluticasone/salmeterol) becomes a top-selling asthma and COPD treatment. #asthma #COPD

GSK Launches Advair Diskus
GSK Launches Advair Diskus
By Fuse809 - Own work, Public domain, https://commons.wikimedia.org/w/index.php?curid=31687214
2004 CE

GSK Acquires Corixa

GSK buys Corixa, a biotech firm, for its vaccine adjuvant technology. #acquisition #vaccines

2005 CE

GSK Settles Paxil Pediatric Lawsuit

GSK pays $3.9 billion to settle claims over Paxil marketing and withholding pediatric data. #litigation #pharma

GSK Settles Paxil Pediatric Lawsuit
GSK Settles Paxil Pediatric Lawsuit
By Unknown author, Public domain, https://commons.wikimedia.org/w/index.php?curid=1615572
2007 CE

GSK Acquires Reliant Pharmaceuticals

GSK acquires Reliant Pharmaceuticals for $1.65 billion, gaining cardiovascular drugs. #acquisition

2009 CE

GSK Acquires Stiefel Laboratories

GSK buys Stiefel, a dermatology company, for $3.6 billion to expand into skincare. #dermatology #acquisition

2011 CE

GSK Acquires Human Genome Sciences

GSK acquires Human Genome Sciences for $3.6 billion, gaining lupus drug Benlysta. #biotech #acquisition

2012 CE

GSK Settles US Bribery Charges

GSK pays $3 billion to settle US charges of improper marketing and bribery of doctors. #ethics #litigation

2014 CE

GSK Swaps Oncology Portfolio with Novartis

GSK sells its oncology drugs to Novartis and acquires Novartis's vaccines business in a complex deal. #pharma #reorganization

2015 CE

GSK Launches Shingrix Clinical Trials

GSK begins phase III trials for Shingrix, a shingles vaccine later approved in 2017. #vaccines #clinicaltrials

GSK Launches Shingrix Clinical Trials
GSK Launches Shingrix Clinical Trials
By Whispyhistory - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=119248766
2016 CE

GSK Divests Horlicks Brand

GSK sells its Horlicks and other consumer health brands to Unilever for £3.1 billion. #divestiture

2017 CE

Shingrix Approved by FDA

The FDA approves Shingrix, GSK's shingles vaccine, which becomes a blockbuster. #vaccines #approval

2018 CE

GSK Announces Consumer Health JV with Pfizer

GSK and Pfizer combine their consumer health divisions into a joint venture, with GSK majority owner. #jointventure

2019 CE

GSK Completes Consumer Health JV

GSK finalizes the joint venture with Pfizer, creating a new consumer health giant. #jointventure

2020 CE

GSK Partners with Sanofi on COVID-19 Vaccine

GSK and Sanofi collaborate to develop a COVID-19 vaccine using Sanofi's antigen and GSK's adjuvant. #COVID19 #vaccine

2021 CE

GSK Announces Split into Two Companies

GSK plans to separate into GSK (pharma/vaccines) and a new consumer health company (Haleon). #restructuring

Jul 18, 2022 CE

Haleon Spin-off Completed

GSK spins off Haleon, its consumer health arm, listing on the London Stock Exchange. #spin-off

Haleon Spin-off Completed
Haleon Spin-off Completed
By Colin Smith - From geograph.org.uk, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=181462092
Apr 18, 2023 CE

GSK Acquires Bellus Health

GSK buys Bellus Health for $2 billion, gaining a late-stage drug for chronic cough. #acquisition #biotech

2024 CE

GSK Acquires Aiolos Bio

GSK acquires Aiolos Bio for $1 billion, adding an asthma drug candidate. #acquisition