The FIFA World Cup is held every four years.

Mozart could write music before he could write words — he composed his first piece at age 5.

The sitar, fundamental to Indian classical music, has 21 strings — 7 played and 14 sympathetic.

The Nordic countries consistently rank highest in global happiness indexes — attributed to strong social safety nets and trust.

The Epic of Gilgamesh contains a flood narrative strikingly similar to the biblical story of Noah.

The oldest known musical instrument is a flute carved from a vulture bone, found in Germany and dated to 40,000 years ago.

The Olympic Games are held every four years.

More people die taking selfies than from shark attacks in some recent years.

The Dao De Jing, foundational text of Taoism, is the world's second most translated text after the Bible.