The month of July has been home to many historical events over the years. Here’s a look at some that helped to shape the world in July 1924.

Full-time airmail service begins on July 1. A fleet of airplanes are used to transport mail day and night, and the time to send mail between New York and San Francisco is 35 hours, a reduction of 50 percent.

The Caesar salad is created in Mexico on July 4. Italian-born restaurateur Caesar Cardini is inspired to create the dish by Americans crossing the border into Tijuana to legally purchase alcohol from his eatery during the holiday weekend.

The opening ceremonies of the Summer Olympics are conducted at Colombes Stadium in Paris on July 5. The Organizing Committee decides against inviting Germany for the second straight Olympics.

English Jew Harold Abrahams wins the 100-meter sprint at the Summer Olympics in Paris on July 7. Abrahams, who was the target of antisemitic prejudice during the Games, is later profiled the 1981 film, “Chariots of Fire.”

Panama receives diplomatic recognition from Colombia on July 9, more than 20 years after the country seceded from Colombia at the urging of the United States.

The Kimberly-Clark Corporation files the original trademark application for Kleenex on July 12.

Horacio Vasquez is inaugurated as president of the Dominican Republic on July 13, officially ending the United States’ administration of the island.

The legend of “Bigfoot” begins on July 16 when The Oregonian publishes the first nationwide news story about a tall and hair-covered “apeman.” The creature is not described as “Bigfoot” until 1958.

The United States Vice Consul to Iran, Robert Imbrie, is beaten to death by an angry mob in Tehran on July 18. Imbrie photographed a well in the city’s bazaar where a miracle was believed to have occurred, and some who assaulted him believed he poisoned the well. Imbrie survives the initial beating and is taken to a hospital, but the mob follows him there and beats him again, leading to his death.

Herman “Hi” Bell of the St. Louis Cardinals pitches all 18 innings of the St. Louis Cardinals’ doubleheader on July 19. Bell earns the victory in both contests, and remains the last Major League pitcher to pitch all 18 innings of a twinbill on the same day.

Greece announces the expulsion of 50,000 Armenians on July 25.

American League umpires are ordered to cut short arguments about balls and strikes in an effort to speed up the pace of play on July 25. The directive, issued by league president Ban Johnson, also prevents players from taking too much time inspecting baseballs for signs of tampering.

Rebels affiliated with the Brazilian Army quietly withdraw from Sao Paolo on July 28. The rebels are gone for five hours before the government realizes they had quit.

The prosecution rests in the Leopold and Loeb case on July 30. Nathan Leopold and Richard Loeb are subsequently each convicted of the murder of 14-year-old Bobby Franks and sentenced to life imprisonment plus 99 years, though Leopold is released on parole in 1958. Loeb is murdered in a prison shower room in January 1936.