Edward II becomes King of England after the death of his father, Edward I.
View Historical Events by Day:
What Happened Today in History on July 7
Explore the historical events that shaped our world on July 7th. From major milestones to cultural achievements, see what happened on this day in history. Dates for earlier events may be approximate.
Note: Sources for the historical content shown, include research and reviews of relevant Online History Resources or printed material. When possible, we show a link to a source which provides additional or unique perspective about the event.
We do our best to provide accurate information but would appreciate being notified if any incorrect information is found. You may do so by using our Feedback link.
Circa 1324, July
Marsilius of Padua completes his political treatise "Defensor Pacis" (Defender of Peace). The book contained radical anti-papal views. Advocating for popular sovereignty, asserting that the source of all political power and law is the people, and argued for the separation of church and state, severely limiting the power of the papacy and clergy in secular matters.
Many believe that some of his ideas were later adopted by Luther and Calvin. His writings were condemned as heretical by the Catholic Church, and he spent the latter part of his life under the protection of the Holy Roman Emperor, Louis IV.. More
The U.S. House of Representatives notifies the Senate of the Impeachment of North Carolina's Senator William Blount for high crimes and misdemeanors. The Senate trial which did not begin until December,1798 ended on January 14, 1799, as the Senate dismissed the case on jurisdictional grounds, leaving many issues unsettled, most importantly the question, "was a senator a civil officer of the United States and therefore liable to impeachment?" Although the Senate failed to voice its opinion on that matter, its dismissal of the Blount case set a precedent that still holds today—a U.S. senator cannot be impeached. More
Kit Carson begins his campaign against the Navajo that resulted in their removal from the Four Corners area to southeastern New Mexico. More
The Hawaiian Islands are annexed by the United States through the Newlands Joint Resolution signed by President William McKinley. The annexation of Hawaii by the United States followed a series of events beginning with growing American economic and political influence
leading to the 1893 overthrow of the Hawaiian monarchy and establishment of the Republic of Hawaii and eventually to its 1898 annexation during the Spanish-American War. The Hawaiian islands became a territory in 1900 and a U.S. state in 1959. More
Construction work for the Hoover Dam begins after the appropriations were approved; it was built during the Great Depression, between 1930 and 1937. The dam was dedicated in 1935, it started providing electricity to Los Angeles on October 9 1936 and had all the hydroelectric generators online in 1937.
The Hoover Dam was built for a cost of $49 million (approximately $760 million adjusted for inflation). The power plant and generators cost an additional $71 million. The sale of electrical power generated by the dam paid back its construction cost, with interest, by 1987. More
The second Sino-Chinese war conflict begins with a clash at the Marco Polo Bridge near Beijing. Japan quickly captured major Chinese cities, including Nanjing, where the infamous Nanjing Massacre occurred. Despite Japan's initial successes, Chinese resistance persisted, supported by a united front of Nationalists and Communists. Many others consider the second Sino-Chinese war conflict to have started when Japan invaded Manchuria in September 1931. The conflict ended when Japan's surrender to the WWII Allies in 1945.
Mother Frances Xavier Cabrini (Maria Francesca Cabrini) also known as Mother Cabrini, is canonized as a saint by Pope Pius XII becoming the first U.S. citizen to be canonized as a Saint by the Roman Catholic Church. Mother Cabrini was a prominent religious sister in the Roman Catholic Church and the founder of the Missionary Sisters of the Sacred Heart of Jesus (MSC), a religious institute that today provides education, health care, and other services to the poor in 15 nations.
Cabrini was born in Italy in 1850, migrated to the United States in 1887 and became a naturalized American citizen in 1909. She died in Chicago in 1917,The Vatican beatified Cabrini in 1938 and named her as the patron saint of immigrants in 1959. More
The Solomon Islands become an independent nation on July 7, 1978, after gaining self-governance from the United Kingdom two years earlier in 1976. The country is a parliamentary democracy and a member of the Commonwealth of Nations. It is an island country consisting of six major islands and over 1000 smaller islands in Melanesia, part of Oceania, to the northeast of Australia with a population of 800,000 people.
Terrorist suicide attacks take place in London as three bombs detonate close to underground stations and one bomb goes off on a bus, resulting in the death of 52 people and more than 700 injured. More
The United Nations declares a famine in parts of southern Somalia, the first time the term had been used in almost 20 years.