[[https://www.guru99.com/nosql-tutorial.html| NoSQL Tutorial: What is, Types of NoSQL Databases & Example]] 1998- Carlo Strozzi use the term NoSQL for his lightweight, open-source relational database 2000- Graph database Neo4j is launched 2004- Google BigTable is launched 2005- CouchDB is launched 2007- The research paper on Amazon Dynamo is released 2008- Facebooks open sources the Cassandra project 2009- The term NoSQL was reintroduced