1. 14 For several decades, El Carnaval remained an elitist event that ended with an elegant masked ball.

2. Mr. Kaufman cordially invites... residents of the Green to a masked ball... on the eve of Allhallows

3. 21 He had just won her gracious consent to attend the Grand Duke Igor's masked ball in two weeks' time.

4. 14 Mercutio is in high spirits, teasing Romeo about his love as they prepare to go to the Capulet masked ball.