Heroes' Day

Warriors' Day (Malaysia)

Public holidays in Poland

Treasury Day (Poland)

Udham Singh

Martyrdom Day of Shahid Udham Singh (Haryana and Punjab, India)

Sovereignty Restoration Day

Lā Hae Hawaiʻi Day (Hawaii, United States), and its related observance:
Sovereignty Restoration Day (Hawaiian sovereignty movement)

Trinity term

End of the Trinity term (sitting of the High Court of Justice of England)

Baháʼí calendar

Earliest day on which the Feast of Kamál (Perfection) can fall, while August 1 is the latest; observed on the first day of the eighth month of the Baháʼí calendar. (Baháʼí Faith)

July 31 (Eastern Orthodox liturgics)

Christian feast day:
July 31 (Eastern Orthodox liturgics)

Saint Neot (monk)

Christian feast day:
Neot

Ignatius of Loyola

Christian feast day:
Ignatius of Loyola

Germanus of Auxerre

Christian feast day:
Germanus of Auxerre

Abanoub

Christian feast day:
Abanoub

Ismail Haniyeh

Ismail Haniyeh, Palestinian politician, political leader of Hamas (born 1962/1963)

Paul Bucha

Paul Bucha, United States Army Medal of Honor recipient (born 1943)

Angus Cloud

Angus Cloud, American actor (born 1998)

Bill Russell

Bill Russell, NBA Hall of Fame player and coach (born 1934)