Amazon QLDB is now available in the Europe (London) region

Starting today, Amazon Quantum Ledger Database (QLDB) is available in the Europe (London) region. Amazon QLDB is a fully managed ledger database that provides a transparent, immutable, and cryptographically verifiable transaction log. You can use QLDB to track all application data changes, and maintain a complete and verifiable history of changes to your data over time.

Source:: Amazon AWS