Key Dates in the History of Glass

2000BC Egyptian glass making
100BC Syrians invent glass blowing
1255 Venetian glass makers guild
1291 Venetian glass making moved to Murano
c1500 Venetian “cristallo” & filigree glass
c1500 to 1600 Venetian “golden age”
1575 Anglo-Venetian glass
c1670 Lehman etches with fluoric acid
1674 Ravenscroft develops flint glass
1675 Ravenscroft develops lead crystal
1676 Ornate Swedish Kungsholm glass
c1680 Bohemians produce clearer glass by replacing soda with potash
c1700 Venetians turn to bright colours and bizarre designs (to c1800)
1715 Swedish Skanska decorative glass
1734 Perrot furnace eliminated dark tinge in English glass
1742 Swedish Kosta glass
1745 Double annealing gives more brilliance
  Shallow cutting possible
  Pontil mark sometimes removed
  Bristol blue glass
1760 to 1777 Norwegian Nostetangen glass
1777 to 1809 Norwegian Hurdals Verk glass
1780 Annealing improvements allow deep cutting
  Pontil mark always removed
1780 to c1850 Irish glass exported
1788 Nailsea wares produced from bottle glass
c1800 Dusky tinge eliminated from Irish glass
1802 New furnaces produce more crystalline English glass
c1804 Bohemians produce black glass
1810 Danish Holmegaard glass
c1815 Coloured glass fashionable
1815 Bohemians overlay glass
  American blown-three-mould glass
1825 American glass pressing machine
c1830 Bohemians glass marbled in strong colours
1845 French paperweights produced at St Louis
c1850 Venetians revive traditional designs
c1870 to c1900 Mary Gregory style popular
1890 Art Nouveau works by Galle, Lalique and Tiffany
1908 to 1930 American carnival glass
1924 Australian carnival glass