For one of the Open Source projects I maintain - Yasumi, I have issued a new release. v2.1.0 is now available and you can read more about it here:  Yasumi v2.1.0 has been released! Read more about it here: t.co/5GolPS8aD2 (Yasumi is an easy API/Library written in PHP that calculates all the national holidays, with already supporting 34 countries and 81 sub-regions!)