1969
Birko-Cork, a malleable thermal cork, is developed for orthopaedic use.

1972
The "Book about Foot Health" goes to print. First edition 30,000 copies.

1973
The first electro-mechanical moulding machine is developed. This machine uses a single adjustable mould to produce all sizes and widths in the right proportion. This innovation puts Birkenstock far ahead in the world market.

1974
Leather cutting production begins in St. Katharinen.

1979

moulding-machine

1980
The electro-mechanical moulding machine of 1973 is replaced with a new computer controlled system. This system produces four sizes simultaneously.

1982
After three years of developing the thong sandal, it is introduced in five styles.

1983

Birkenstock’s “Fuß-Fibel”

1984
Alex Birkenstock joins the company. Six additional patents for thong sandals and several other patents are registered for Birkenstock. Move to a bigger warehouse to improve customer service. The goal: To ship incoming orders the same day. The patent for "Fußbett" (footbed) is extended for another 10 years. Specialty stores order approx. 14 million consumer brochures.

1985
March 8th marks the first major Junior Meet in Bad Honnef. New Birkenstock shoes are brought in-line. A new material, Birko-Cell, is introduced to the orthopaedic market.

1986
The new Birko Sport insole is offered to stores. Second Junior Meet with over 200 participants.

production facility in Sankt Katharinen / Rheinland-Pfalz