Bihar Day in India
Bihar Day in India is held on March 22. This event in the third decade of the month March is annual. 
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The Bihar Divas is a public Holiday in Bihar. This holiday applies to all the offices and companies under the jurisdiction of the State and central Government as well as Schools celebrate this day by organising various programmes participated by students. It was on this day when the British carved out the state from Bengal in 1912.
Similar holidays and events, festivals and interesting facts
Ordnance Factories' Day in India on March 18
World Kabaddi Day on March 24
Hindi New Year on March 30 (date for 2025);
World Idli Day on March 30
Odisha Day on April 2 (Odisha, India);
World Party Day on April 3
National Maritime Day in India on April 5