South Dorset was a staunchly Conservative constituency, and Risdon was defeated by the incumbent, Major Robert Yerburgh, 1st Baron Alvingham; one of the factors contributing to the defeat of Ramsay MacDonald's ten month minority government was the Zinoviev letter.
South Dorset was a staunchly Conservative constituency. Risdon was defeated by the incumbent. Major Robert Yerburgh was the incumbent. The incumbent, Major Robert Yerburgh was 1st Baron Alvingham. One of the factors was the Zinoviev letter. These factors were contributing to the defeat of Ramsay MacDonald's ten month minority government.