Event:
Thomas Eric Duncan, the first patient hospitalized for Ebola in the U.S., slips from serious to critical condition in a Dallas hospital; 10 people who had been in close contact with the patient have been placed in isolation
More Notable Events on October 4:
1983 Richard Noble reaches record 1019 kph in jet-powered car
1977 Pier 39 opens in San Francisco
1933 Esquire magazine is 1st published
1931 Dick Tracy comic strip by Chester Gould debuts
1915 Dinosaur National Monument in Colorado and Utah is established
