Based on the search results, there are several holidays and special days being celebrated today, November 5, 2023. Here are some of them:

• National Doughnut Day - This day is celebrated on the first Friday of November each year to honor the delicious pastry that has become a staple in many cultures.

• National Love Your Red Hair Day - This day is celebrated annually on November 5th to celebrate the beauty of red hair and to raise awareness about bullying and discrimination against redheads.

• National Men Make Dinner Day - This day is celebrated on the first Thursday of November each year and encourages men to take over the kitchen and cook dinner for their loved ones.

• National Donut Appreciation Day - This day is celebrated annually on November 5th to show appreciation for the delicious pastry that has become a staple in many cultures.

• Bonfire Night/Guy Fawkes Night - This is an annual celebration in the United Kingdom on November 5th that commemorates the failure of the Gunpowder Plot of 1605, in which a group of conspirators attempted to blow up the Houses of Parliament.

It is important to note that different sources may list different holidays and special days being celebrated on a given day.