Fait mathématique: 2075 is the number of connected graphs with 9 vertices and 11 edges.
Culture générale: 2075 is a boring number.
Date historique: September 5th is the day in 1980 that the St. Gotthard Tunnel opens in Switzerland as the world's longest highway tunnel at 10.14 miles (16.224 km) stretching from Göschenen to Airolo.