In most countries of the world, the third Sunday in June is dedicated to which group?

Question

A Shiite terrorist group founded by Masan Sabbah in 1090 dedicated to the murder of enemy leaders led to which word in the English language?

Answer 1

This day celebrates the male parenting. In several countries like USA, Canada, UK, France, India, China, Japan, Philippines and South Africa Father's Day is celebrated on the third Sunday of June