October 27, 2023 is a Friday. It is the 300th day of the year, with 65 days remaining until the end of the year. Here are some holidays and observances that fall on this day:

• National Black Cat Day
• National American Beer Day
• Navy Day
• National Breadstick Day
• National Frankenstein Day
• Nevada Day

It is also part of several multi-day events, including Disarmament Week, International Open Access Week, and National Chemistry Week.