KLM Cityhopper flight KL-1861 had to return and make an emergency landing at Amsterdam Airport Schiphol, Netherlands, on June 8th.
The Fokker 70, en-route to Dusseldorf, Germany, had to return due to failure of its hydraulic system.
The plane landed safely.
No one was injured.

Asiana Airlines flight OZ-271 had to return and make an emergency landing in Seattle, Washington, on October 29th.
Turkish Airlines flight TK-1911 had to make an emergency landing in Zurich, Switzerland, on January 25th.
Condor flight DE-1762 had to return and make an emergency landing in Dusseldorf, Germany, on May 24th.
United Airlines flight UA-779 had to return and make an emergency landing in San Francisco, California, on December 18th.