1921- Founded by Richard Sieperin in Ludenscheid Germany.
1943- Second production facility was opened in Hilchenbach, Siegerland.  Today this factory makes high-quality products such as small furniture and technical products from plastics.
1950- The brand name SIKU, an abbreviated name for Sieper Kunststoffe was created. A range of toys consisting of 16 figures and farm animals was shown at the first toy fair at Nuremberg.
1955- Presentation of the first SIKU models vehicles in 1/60 scale.
1963- Toy production changed from plastic to metal.
1984- Purchased Wiking Modele of Berlin. Today Wiking produces authentic models of vehicles in HO (1:87) and N-scale (1:160).
SIKU today- Today's range offers hundreds of models making SIKU a market leader in many parts of the world.