The answers to the clues below will have something in common.

1. Swashbuckler features
2. Its symbol is the beehive.
3. Olympian's quest
4. Wife of Zeus
5. Nebraska city

Answers:

1. Sword fights
2. State of Utah
3. Gold medal
4. Juno
5. Omaha 

What they have in common:

Each answer names or contains the name of one of the five beaches of Normandy - Omaha, Utah, Sword, Gold, and Juno - invaded by the Allies on D-Day, June 6, 1944, to begin the liberation of Western Europe and the defeat of the Nazis.