1) The American Civil Rights Movement, led by figures like Martin Luther King Jr., fought for equal rights and helped bring about significant social and legislative changes.

2) A newborn kangaroo is about 1 inch (2.5 centimeters) long and weighs less than a gram.

3) The Tony Awards celebrate excellence in Broadway theater and have been awarded annually since 1947.

4) The word "mountain" contains three vowels: O, U, and A.