Anniversaries Apr, 25 – 90th birthday of the Porsche company (1931) May, 09 – 35th birthday of the 961 (1986) May, 10 – 78th birthday of Wolfgang Porsche (1943) May, 14 – 60th birthday of the 787 (1961) May, 15 – 39th birthday of the 956 (1982)