Virgin Australia flight VA-91 had to return and make an emergency landing in Auckland, New Zealand, on July 21st.
The Boeing 737-800 plane took off for Apia, Samoa, but had to return shortly afterwards due to a cabin pressurization problem.
The plane landed safely. No injuries were reported.

Pakistan International Airlines flight PK791 had to divert for an emergency landing in Berlin, Germany, on February 9th.
United Airlines flight UA-2192 made an emergency landing in Chicago, Illinois, on May 29th.
Ethiopian Airlines flight ET-702 had to divert and make an emergency landing in Athens, Greece, on November 13th.