Austenasia extended official recognition to the Revalian Kingdom on 13 September 2022, after Revalia had unilaterally recognised Austenasia since 2020. The two nations signed a formal treaty of mutual recognition and co-operation on 8 October 2022. King Sander II of Revalia has been an Austenasian subject since June 2021, was appointed Minister for Culture in January 2022, and was made third in line to the Austenasian Throne in 2024.
- Status: Treaty of mutual recognition and co-operation
- Relations established: 13 September 2022