- Jul 1 Tour de France: Inaugural race begins in Montgeron, a south-eastern suburb of Paris
- Jul 1 Wimbledon Women's Tennis: Dorothea Chambers beats Ethel Larcombe 4-6, 6-4, 6-2, the first of 7 titles
- Jul 1 Wimbledon Men's Tennis: Laurence Doherty beats Frank Riseley 7-5, 6-3, 6-0 for his second consecutive title
- Jul 2 National League MLB batting champion Ed Delahanty, disappears after being removed from a train by force, found dead at bottom of Niagara Falls 2 weeks later
- Jul 2 Pitcher Jack Doscher, debuts for the Chicago Cubs, the first son of a major leaguer to play MLB, father Herm 1882-92
Historic Communication
Jul 4 Pacific Cable (San Francisco, Hawaii, Guam, Philipines) opens, President Theodore Roosevelt sends a message
Theodore Roosevelt
- Jul 6 George Wyman arrives in NYC by motorcycle 51 days out of San Francisco
- Jul 17 The Russian Social Democratic Workers Party meets, first in Brussels and then London because their leaders have been forced into exile by the Russian Government
- Jul 19 1st Tour de France: French rider Maurice Garin wins inaugural event
- Jul 20 Giuseppe Sarto elected Pope Pius X, known as the 'pope of the poor and humble'
- Jul 25 Castle on top of Telegraph Hil, San Francisco closes
- Jul 26 1st automobile trip across the United States (San Francisco to New York) completed by Horatio Nelson Jackson and Sewall K. Crocker