Rosemarie "Rosi" Ackermann is a German former high jumper, Olympic champion and multiple world record holder. In Berlin on 26 August 1977, she became the first female high jumper to clear a height of two metres. Rosemarie Ackermann (East Germany) set the women's high jump world record of 2.00 m in West Berlin on August 26, 1977. It stood 11 months, until Sara Simeoni's 2.01 m on August 4, 1978. Wiki link