| Year | Detail |
| 1860 |
Unilever was started by the Jurgens family and started selling butter. |
| 1870 |
The Van den Berghs, a family of butter merchants, have also built up a thriving butter trade in the Dutch town of Oss. By 1870, the business had expanded and began exporting to England, the biggest market for Dutch butter. |
| 1871 |
The Jurgens family acquired the patent for making margarine from its inventor, Mege Mouries. |
| 1884 |
William Lever and Lever & Co. launch the first branded soap. |
| 1887 |
William Lever starts to build Port Sunlight, With 450 tons of Sunlight soap being made a week. |
| 1890 |
Lever Brothers became a limited company. The business starts expanding into Europe, America, and the British colonies with factories, export businesses, and plantations. |
| 1894 |
Lever Brothers created a new product called Lifebuoy Soap. |
| 1898 |
Van den Bergh adds Vitello to the growing margarine market. |
| 1904 |
Lever Brothers launched Vim, one of the very first scouring powders. It is the first specially formulated product of its kind to be marketed in Britain. |
| 1908 |
Jurgens and Van den Bergh join forces to combat a weak margarine market. |
| 1911 |
Lever Brothers' first purpose-built research laboratory is constructed at Port Sunlight. |
| 1917 |
Lever Brothers Ltd acquired Pears Soap, a company said to have been established as far back as 1789 by Andrew Pears. Jurgens and Van den Bergh bring margarine manufacturing to England. |
| 1922 |
Lever Brothers Ltd buy Wall's, a famous sausage company. |
| 1929 |
Margarine Unie and Lever Brothers signed an agreement to create Unilever. |
| 1943 |
Unilever ventures into frozen products and acquires Batchelors. |
| 1946 |
Its subsidiary, Birds Eye, launches the first frozen peas in the UK. |
| 1950 |
Unilever established Port Sunlight Research, a research division responsible for both UK and Dutch laboratories. |
| 1954 |
Unilever launches Sunsilk shampoo. |
| 1955 |
Its subsidiary Birds Eye launches Fish Fingers in the UK, and Dove launches its first soap bar in the US. |
| 1960 |
Becel is launched as a 'health' margarine in response to medical support. |
| 1965 |
Unilever forms its own specialist packaging business, the 4P Group, turning into an internal service provider, and Cif scouring cream is launched in France. |
| 1971 |
Lipton International was acquired, and Mentadent was launched in Austria as a revolutionary gum health brand. |
| 1973 |
Unilever's subsidiary, the United Africa Company, became UAC International, and Frigo ice cream was acquired in Spain. |
| 1978 |
Unilever acquires National Starch and increases its presence in the US. |
| 1982 |
Unique Viennetta ice cream gateau launches. |
| 1984 |
Unilever acquires PG Tips, the UK's biggest-selling tea brand. |
| 1986 |
Chesebrough-Pond's is acquired, a strategic move to build a stake in the US market and a presence in the skincare market. |
| 1989 |
Unilever acquired the Calvin Klein Cosmetics Company and, with it, the Calvin Klein brand. It offers a complete range of beauty products in addition to its core fragrance business. Magnum Ice Cream is launched in Germany. |
| 1992 |
Unilever entered the Czech Republic and Hungary and established UniRus in Russia. |
| 1993 |
Unilever acquired Breyers ice cream in the U.S., and Organics shampoo was first launched in Thailand. |
| 1997 |
Unilever acquires Kibon in Brazil. |
| 2000 |
Unilever acquires Bestfoods; Knorr joins the Unilever family as part of the Bestfoods acquisition. |
| 2003 |
the Unilever Health Institute - a center of excellence in nutrition, health, and vitality - opens regional centers in Bangkok, Thailand, and Accra, Ghana. |
| 2007 |
Unilever acquired the Buavita vitality drinks brand in Indonesia and Inmarko, the leading ice cream business in Russia. |
| 2010 |
Acquired Alberto Culver, bringing personal care brands such as TRESemmé, Alberto VO5, Nexxus, St. Ives, and Simple into the Unilever portfolio. |
| 2013 |
The company re-enters the Myanmar market with the launch of full business operations, including a new manufacturing facility and new headquarters in Yangon. |
| 2014 |
A number of strategic acquisitions are made throughout 2014, including the Talenti super-premium ice cream business in North America and the Qinyuan water purification business in China. |
| 2017 |
Unilever's personal care brand Simple arrives in Brazil. |
| 2018 |
Unilever launched its newest personal care brands, Love Beauty and Planet. |