Orthodox Easter

Orthodox

Many Orthodox Christians in the United States mark Easter Sunday, also known as Pascha, as the day Jesus Christ was resurrected, according to the Christian bible.

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International Day of Human Space Flight

United Nations observance

The UN’s International Day of Human Space Flight is annually held on April 12.

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Orthodox Easter Monday

4/13/2026

Orthodox

Many Orthodox churches in the United States observe Easter Monday on the day after the Orthodox Easter Sunday date.

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Thomas Jefferson's Birthday

4/13/2026

Observance

Americans celebrate president Thomas Jefferson's Birthday on April 13.

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Yom HaShoah

4/14/2026

Jewish commemoration

Many people in the United States observe Yom Hashoah by remembering Holocaust victims who died during World War II.

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World Chagas Disease Day

4/14/2026

United Nations observance

World Chagas Disease Day is a United Nations observance in the USA

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National Library Workers' Day

4/14/2026

Observance

National Library Workers’ Day recognizes the efforts and achievements that librarians make to give Americans access to information via books, computers and other media.

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