World Bicycle Day

United Nations observance

World Bicycle Day is a United Nations observance in the USA

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Jefferson Davis' Birthday

Local observance

Jefferson Davis' Birthday, also known as Jefferson Davis Day, is a state holiday in Alabama in the United States.

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Corpus Christi

6/4/2026

Christian

Corpus Christi is observed in honor of the Holy Eucharist.

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International Day of Innocent Children Victims of Aggression

6/4/2026

United Nations observance

The United Nations' (UN) International Day of Innocent Children Victims of Aggression is observed on June 4 each year.

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World Environment Day

6/5/2026

United Nations observance

World Environment Day is held each year on June 5. It is one of the principal vehicles through which the United Nations (UN) stimulates worldwide awareness of the environment and enhances political attention and action.

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International Day for the Fight against Illegal, Unreported and Unregulated Fishing

6/5/2026

United Nations observance

International Day for the Fight against Illegal, Unreported and Unregulated Fishing is a United Nations observance in the USA

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Day of the Russian Language

6/6/2026

United Nations observance

Day of the Russian Language is a United Nations observance in the USA

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