Today is Monday, July 18, the 200th day of 2016. There are 166 days left in the year.

On this date:

In A.D. 64, the Great Fire of Rome began, consuming most of the city for about a week. (Some blamed the fire on Emperor Nero, who in turn blamed Christians.)

In 1792, American naval hero John Paul Jones died in Paris at age 45.

In 1872, Britain enacted voting by secret ballot.

In 1925, Adolf Hitler published the first volume of his autobiographical screed, “Mein Kampf (My Struggle).”

In 1932, the United States and Canada signed a treaty to develop the St. Lawrence Seaway.

In 1944, Hideki Tojo was removed as Japanese premier and war minister because of setbacks suffered by his country in World War II. American forces in France captured the Normandy town of St. Lo.

In 1947, President Harry S. Truman signed a Presidential Succession Act which placed the speaker of the House and the Senate president pro tempore next in the line of succession after the vice president.

In 1955, President Dwight D. Eisenhower, Soviet Premier Nikolai Bulganin, British Prime Minister Anthony Eden and French Premier Edgar Faure met for a summit in Geneva.

In 1969, Sen. Edward M. Kennedy, D-Mass., left a party on Chappaquiddick Island near Martha’s Vineyard with Mary Jo Kopechne, 28; some time later, Kennedy’s car went off a bridge into the water. Kennedy was able to escape, but Kopechne drowned.

Today’s Highlight in History:

On July 18, 1976, 14-year-old Romanian gymnast Nadia Comaneci, competing at the Montreal Olympics, received the first-ever perfect score of 10 with her routine on uneven parallel bars. (Comaneci would go on to receive six more 10s in Montreal.)

Ten years ago

The Senate voted after two days of emotional debate to expand federal funding of embryonic stem cell research, sending the measure to President George W. Bush for a promised veto. A doctor and two nurses who’d labored at a flooded-out New Orleans hospital in Hurricane Katrina’s chaotic aftermath were arrested and accused of killing four trapped and desperately ill patients with injections of morphine and sedatives.

Five years ago

Gen. David Petraeus handed over command of American and coalition forces in Afghanistan to Gen. John Allen as he left to take over the Central Intelligence Agency.

One year ago

Saudi Arabia announced it had broken up planned Islamic State attacks in the kingdom and arrested more than 400 suspects in an anti-terrorism sweep, a day after a powerful blast in neighboring Iraq killed more than 100 people in one of the country’s deadliest single attacks since U.S. troops pulled out in 2011. Actor Alex Rocco, 79, died in Los Angeles.