November 1, known as All Saints' Day, is a Christian holiday celebrated in honor of all saints, known and unknown. It is a day to remember and honor those who have attained heaven, including martyrs and other holy figures. The day is observed by various Christian denominations, including the Roman Catholic Church, Anglican Communion, and some Protestant groups. Traditionally, many people attend church services, light candles, and pray for the intercession of saints. In some cultures, it is customary to visit cemeteries to honor deceased loved ones by decorating their graves with flowers and candles, creating a sense of remembrance and connection.