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  People started accepting that things are made are of atoms
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  The idea of the atoms were accepted
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  Composition of inorganic and organic bodies were discovered
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  aether theory is invented
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  Theory that the metals are made of sulfur and mercury
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  Tadeo Alderotti makes fraction distillation
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  St Albertus Magnus discovers arsenic and silver nitrate
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  Paracelsus starts the thing we know today as pharmaceutical industry
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  The proposal of the existence of the food of life which today is oxygen
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  The text book were the first chemical equation is created
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  A book that contains modern ideasof atoms
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  experiments of the behavior of gases
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  Georg Brandt discovers cobalt
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  Joseph Black starts to figure out what carbon dioxide is and calls it fixed air
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  Discovery of cacodyl oxide
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  Joseph Black creates the concept of latent heat
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  Henry Cavendish discovers that hydrogen can be used as explosions
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  Joseph priestley invented soda
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  The first modern system of chemical nomenclature
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  The first modern chemistry book
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  Coenraad Johannes van Houten discovered cocoa
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  Alessandro Volta creates the first battery
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  Clause Louis Berthollet was the first one to use chlorine as bleach
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  Joseph Louis Gay-Lussac discovers that water is composed by 2 parts hydrogen and oxygen
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  A book which proposes modern chemical symbols
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  Friedrich Wöhler and Justus von Liebig discovered and explained isomers
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  biomolecules get classified
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  Anaesthetic was used for the first time
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  Robert busen invented busen burner
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  Creates the first dye
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  Lothar Meyer makes an early version of the periodic table
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  Dmitri Mendeleev made the elements in the periodic table
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  Louis Pasteur discovered pasteurisation
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  Ira remsen discovered a artificial sweetener named saccharin
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  the first vaccine to a 9 year old
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  the first vaccine to a 9 year old
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  Discovery of radioactivity
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  Scientists iniciated nitrogen extraction
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  Adonlf von baeyer created the die which colors the jeans blue
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  Leo hendrik invented plastic
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  Giacomo Luigi Ciamician made a solar panel for his roof
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  penicillin was discovered to be a medicin
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  Arthur harden created the advancement in alchoholic fermentation
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  Frederick Gowland Hopkins figured that we need vitamins
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  Wallace Carothers created the first flexible strand
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  Frederik sanger discovered the structure of insulin
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  One of the most effective treatments to cancer was discovered
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  LCD screens were created