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May
15

May 15 has marked the founding of peace organizations, wartime events, and cultural milestones.

On This Day in History

392
Ancient

Valentinian II Found Dead

Western Roman Emperor Valentinian II was found dead, officially a suicide by hanging. Many suspected his general Arbogast of murder, leading to civil war.

1602
Exploration

Bartholomew Gosnold Discovers Cape Cod

English explorer Bartholomew Gosnold became the first European to sight Cape Cod, Massachusetts. He named it for the abundant codfish in the surrounding waters.

1718
Invention

James Puckle Patents Machine Gun

English inventor James Puckle demonstrated and patented the first machine gun. Though never widely adopted, it was a precursor to modern automatic weapons.

1862
Politics

USDA Established

President Lincoln established the U.S. Department of Agriculture, which he called 'the People's Department.' The USDA became a cabinet-level agency in 1889.

Historical image at Supreme Court Orders Breakup of Standard Oil in 1911
Supreme Court Orders Breakup of Standard Oil, 1911. Illustration: AI-generated
1911
Politics

Supreme Court Orders Breakup of Standard Oil

The U.S. Supreme Court ordered the dissolution of Standard Oil Company of New Jersey, finding it violated the Sherman Antitrust Act. The decision established important precedents in antitrust law.

Historical image showing McDonald's First Restaurant Opens in 1940
McDonald's First Restaurant Opens, 1940. Illustration: AI-generated
1940
Invention

McDonald's First Restaurant Opens

Richard and Maurice McDonald opened their first restaurant in San Bernardino, California. Ray Kroc would later franchise the concept, creating the world's largest fast-food chain.

Historical image during Arab-Israeli War Begins in 1948
Arab-Israeli War Begins, 1948. Illustration: AI-generated
1948
War & Conflict

Arab-Israeli War Begins

Armies from Egypt, Jordan, Syria, Lebanon, and Iraq invaded the newly declared State of Israel. The war ended in 1949 with Israel controlling more territory than the UN partition plan had allotted.

All Days in May

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