Today is International Day of Happiness.

Today Persians celebrate Noruoz, the Persian New Year.

Today is Nihari Day.

Today is National Spinach Day.

Today people from Bangladesh celebrate their independence from Pakistan.

Today is World Idli Day.

Today is April Loof's Day. Just kidding, of course. April Fool's!

Today is Palm Sunday, the Christian festival celebrating Jesus' triumphant entry into Jerusalem.

Today Jews celebrate Pesach, their celebration of Exodus, their liberation from Egyptian slavery.