1) The word "guitar" contains three vowels: U, A, and I.

2) The shortest scheduled commercial flight lasts just 1.7 miles and connects two Scottish islands, Westray and Papa Westray.

3) The Berlin Conference in 1884-1885 divided Africa among European powers and set the stage for the colonization of the continent.

4) Cows have best friends and can become stressed if they are separated.