July 5 is celebrated as:

1. World Population Day: This day is observed to raise awareness about population-related issues and their impact on the environment and development.

2. National Apple Pie Day (USA): A day to celebrate the classic American dessert.

3. National Graham Cracker Day (USA): A day to recognize the importance of graham crackers in American snacking.

4. Tynwald Day (Isle of Man): A national holiday celebrating the island's self-government and cultural heritage.

5. Independence Day (Venezuela): Commemorating Venezuela's declaration of independence from Spain in 1811.

6. National Bikini Day (USA): A day to celebrate the invention of the bikini swimsuit.

7. National Workaholics Day (USA): A day to recognize and support workaholics in their endeavors.

These are just a few examples of celebrations and observances held on July 5 across the world.