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What happened on April 22nd?
A historic global pact reshaped the fight against climate change
Matthew Jones
April 22, 2025
2016 170 Countries Sign the Paris Agreement
On April 22nd, 2016, more than 170 countries signed the Paris Agreement, which aims to limit global temperature increases to below 2°C above pre-industrial levels. The agreement focused on reducing greenhouse gas emissions and taking global action to combat climate change, representing a major milestone in international environmental efforts.
US Secretary of State John Kerry addresses delegates before signing the COP21 Climate Change Agreement on Earth Day, April 22, 2016, at the UN General Assembly Hall in New York.
🗞️Today’s Headlines
Everything important that’s ever happened on April 22:
1983 — The German magazine Stern announced the discovery of the Hitler Diaries, which were later proven to be forgeries.
1970 — The first Earth Day mobilized millions of Americans to protest environmental ignorance and demand action for a cleaner planet.
1915 — German forces released chlorine gas along a four-mile front during the Second Battle of Ypres, marking the first large-scale use of chemical weapons in World War I.
1889 — At noon, thousands of settlers rushed into Indian Territory as part of the Oklahoma Land Run, claiming previously restricted lands.
1864 — The US Congress passed the Coinage Act of 1864, which authorized the inscription "In God We Trust" on American coins for the first time.
🎂 Today’s Birthdays
On April 22, we’re singing to:
Immanuel Kant (1724) — German philosopher considered a central figure in modern philosophy, known for his work Critique of Pure Reason and his influence on epistemology and ethics.
Vladimir Lenin (1870) — Prime minister of the Soviet Union, leader of the Bolshevik Revolution, and key figure in the establishment of the Soviet state.
Vladimir Nabokov (1899) — Russian-American author famed for his novels Lolita and Pale Fire, celebrated for his linguistic mastery and narrative complexity.
J. Robert Oppenheimer (1904) — American physicist best known as the scientific director of the Manhattan Project, which led to the development of the atomic bomb.
Jack Nicholson (1937) — American actor famous for his iconic roles in One Flew Over the Cuckoo's Nest and The Shining, recognized for his distinctive style and versatility.
Kaká (1982) — Brazilian footballer known for his skill, speed, and creativity, who won the Ballon d'Or in 2007 and had a successful career at clubs such as AC Milan and Real Madrid.
🪦Who Died Today?
On April 22, we’re saying goodbye to:
Miguel de Cervantes (1616) — Spanish writer best known for Don Quixote, regarded as one of the most important works in Western literature.
Richard Nixon (1994) — 37th President of the United States, who resigned after the Watergate scandal, the only US president to do so.
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