There are several holidays in October, including federal holidays, religious holidays, and observances. Here are some of the holidays in October:

• Nevada Day: This is a legal holiday in the state of Nevada in the United States, commemorating the states October 31, 1864 admission to the Union. It is observed on the last Friday in October.

• Columbus Day/Indigenous Peoples Day: This is a federal holiday in the United States observed on the second Monday of October. It honors Christopher Columbuss arrival in the Americas, but some states and cities have replaced it with Indigenous Peoples Day to recognize the Native American cultures and contributions.

• Halloween: This is a holiday celebrated on October 31 in many countries around the world. It is associated with costumes, trick-or-treating, and spooky decorations.

• Navaratri: This is a Hindu festival that spans over nine nights and celebrates the Mother Goddess Durga. It is observed four times a year, and the autumn observation of Sharad Navaratri falls in October.

• Red Wine Day: There are two Red Wine Days, one on August 28 and the other on October 15.

• Other observances: There are many other observances in October, including National Coffee Day, National Pumpkin Day, National Cookie Day, and National Kale Day.