如何在维护历史记录的同时将单个目录从git存储库移动到新存储库？

I have inherited a git repository containing multiple projects in separate directories. I'd like to split the repository into new individual repositories, one for each project and then have the master repository contain the projects as submodules. I'd like to do all this whilst maintaining the revision history of the individual projects if possible.I have inherited a git repository containing mu