Candlemas, or the Presentation of Jesus at the Temple, is one of the Twelve Great Feasts, celebrated by the Eastern Orthodox Church. It's celebrated annually on February 15 according to the Gregorian calendar.
Parinirvana Day, also referred to as Nirvana Day, is a Buddhist holiday celebrated in East Asia on February 8 or February 15. Most Mahāyāna Buddhists celebrate it on February 15.
International Childhood Cancer Day is observed annually on February 15. This observance was established in 2003 and about 40 countries participate the events organized under the auspices of the International Society of Paediatric Oncology (SIOP).
Total Defense Day in Singapore is observed annually on February 15, the anniversary of the surrender of the British to the Japanese in 1942. This holiday is very important for the Singaporeans, as they remember, what they might lose, if they are not able to defend themselves.
Singles Awareness Day, also known as Singles Appreciation Day, is a humorous holiday that serves as an alternative to Valentine's Day for people who are not involved in a romantic relationship. It is celebrated on February 14 or 15.