1930 - Scotch Tape, the first transparent sticky tape made from cellulose acetate
1933 - The movie, King Kong, is released
1933 - PVC, melamine, and low density polyethylene invented
1934 - Introduction of the driving test in the UK
1935 - Polyamide, aka nylon, invented
1936 - Acrylic canopies used in Spitfire fighter planes
1936 - Abdication of Edward VIII
1938 - First toothbrush with nylon bristles manufactured
1938 - Introduction of acrylic contact lenses
1939 - Out break of World War 2
1939 - First polyethylene factory opens in Britain, crucial for the insulation of radar cables during World War 2
