Today is November 1, 2023. According to, today is National Calzone Day, National Brush Day, National Cook For Your Pets Day, and National Men Make Dinner Day. However, it is important to note that these are not widely recognized holidays and are not observed by everyone. Additionally, lists various events happening today in the United States, including the 2023 Unite Conference hosted by the Pillar Network and The American Museum of Natural History Expansion by Studio Gang. However, these events are specific to certain locations and may not be relevant to everyone. Overall, there is no single event happening today that is widely recognized or observed by everyone.