Any given application—monolith or otherwise—may make use of a number of different small or dedicated services like these.
But, "microservices" refers to a specific architecture for solving, generally, business/domain-layer problems.
But that was true long before the term microservice was invented though.
And, arguably, a pet server running a full-on DNS server, logging locally on something else than stdin/stdout, and using it's own DB, ain't a microservice while another DNS server containerized, using standard logging, and a DB outside the container is a microservice.
So yeah it's all disputable but to me the Internet was working just fine on pet servers years if not decades before microservices communicating through APIs were invented.