Here is a list of things which happened on the 25th of July over the years:
The Three Years War begins along the Maine and Massachusetts border. (1722)
Wolfgang Mozart completes his Symphony number 40 in g minor (K550). (1788)
At Aboukir in Egypt, Napoleon I of France defeats 10,000 Ottomans under Mustafa Pasha. (1799)
Costa Rica annexes Guanacaste from Nicaragua. (1824)
Wyoming becomes a United States territory. (1868)
Telecommunications: the first transatlantic two-way radio broadcast takes place. (1920)
The Nazis assassinate Austrian Chancellor Engelbert Dollfuss in a failed coup attempt. (1934)
Operation Crossroads: an atomic bomb is detonated underwater in the lagoon of Bikini atoll. (1946)
The U.S. non-incorporated colonial territory of Puerto Rico adopts a “constitution” of local-limited powers, approved by the United States Congress in contravention of then-current International Law. (1952)
The Italian liner Andrea Doria collided with the Swedish ship Stockholm off the New England coast, claiming the lives of 51 people. (1956)
In a speech John F. Kennedy emphasizes that any attack on Berlin is an attack on NATO. (1961)
Vietnam War: US President Richard Nixon declares the Nixon Doctrine, stating that the United States now expects its Asian allies to take care of their own military defense. This is the start of the “Vietnamization” of the war. (1969)
The first baby conceived by in-vitro fertilization was born in Oldham, England. (1978)
Another section of the Sinai peacefully returned by Israel to Egypt. (1979)
Soviet cosmonaut Svetlana Savitskaya became the first woman to walk in space. (1984)
Israel launches a massive attack against terrorist forces in Lebanon in what the Israelis call Operation Accountability. (1993)
Israel and Jordan sign the Washington Declaration, which formally ends the state of war that has existed between the nations since 1948. (1994)
Air France Flight 4590, a Concorde supersonic passenger jet, F-BTSC, crashes just after takeoff from Paris killing all 109 aboard and 4 on the ground. (2000)
Texas Gov. George W. Bush selected Dick Cheney to be his running mate on the Republican presidential ticket. (2000)
Harry Patch, the last surviving soldier to have served in the Trenches in World War I, dies aged 111. (2009)
California became the first state to ban trans fats from restaurant food. (2009)