2 Mayıs — Tarihte Bugün

Ridván

The last day of the Festival of Ridván (Baháʼí Faith) (this date is non-Gregorian and may change according to the March equinox, see List of observances set by the Baháʼí calendar)

Dos de Mayo Uprising

Anniversary of the Dos de Mayo Uprising (Community of Madrid, Spain)

Public holidays in Bhutan

Birth Anniversary of Third Druk Gyalpo (Bhutan)

Polish National Flag Day

Flag Day (Poland)

National Education Day (Indonesia)

Indonesia National Education Day

List of Teachers' Days

Teachers' Day (Iran) (this date is non-Gregorian and may change according to the March Equinox, see List of observances set by the Solar Hijri calendar)

Harry Potter

International Harry Potter Day

World Tuna Day