What day is it today? 9/11

Protein Day (Composed of 20 types of proteins that make up the human body, including 9 essential amino acids that cannot be synthesized internally, and 11 other non-essential amino acids. In Kanji, '蛋白' refers to egg white. In English, it's 'protein', derived from the Greek word 'proteios' meaning 'first' or 'primary'.)