October 10th is a day with multiple national holidays and observances. Here are some of the national days celebrated on October 10th, 2023, according to the search results:

• National Angel Food Cake Day
• National Cake Decorating Day
• National Handbag Day
• World Mental Health Day
• National Walk to a Park Day
• National Metric Day

World Mental Health Day is an annual observance that raises awareness and mobilizes efforts to support mental health. National Metric Day is a day dedicated to the system of measurement thats based on the power of tens and is celebrated annually. National Angel Food Cake Day, National Cake Decorating Day, and National Handbag Day are also celebrated on October 10th. National Walk to a Park Day encourages people to get outside and enjoy nature.