Meanwhile, Wankel continued his own work with the rotary piston engine, forming his own research establishment in Lindau, Germany, in the mid-1970s. In 1986, he sold the institute for 100 million Deutschmarks (around $41 million) to Daimler Benz, maker of the Mercedes.
The entry day to a Schengen country is the first day and the exit day is the last day of the stay. You must at any given time only have a maximum of 90 days stay in the Schengen region in any 180-day period.This is in other words a ârollingâ calculation by which the period of 180 days prior to each day of the stay are taken into account.ou must at any given time only have a maximum of 90 days stay in the Schengen region in any 180-day period. This is in other words a ârollingâ calculation by which the period of 180 days prior to each day of the stay are taken into account.
Visa and non-visa nationals [edit]. Citizens of the European Economic Area (EU, Iceland, Norway and Liechtenstein) and Switzerland only require a valid national identity card or passport and do not need a visa for the Schengen Area, and are generally allowed to stay for as long as they want. Schengen visa and visa-free travel to the Schengen area (for eligible non-EEA or Swiss nationals) is valid for only short stays (those that are 90 days or less within a 180-day period).