The one country whose flag doesn’t have red, white or blue among its colors is—drumroll, please—Jamaica. Indeed, this ...

Both kids donned the flag’s colors on their T-shirts and heads, the younger in a bandanna and the older in a construction paper crown of blue and red. “They are proud to be Haitian,” Louis said.

The blue and gold star banner tradition began in World War I when white service flags bordered in red were displayed from homes, businesses, schools and churches to indicate, by the use of a blue ...