One of these political events in New York City in 1924 was referred to as the Klanbake due to the supposed influence of the Ku Klux Klan. Another in 1968 in Chicago was the site of a so-called police riot between protesters and the Chicago Police Department. Franklin Roosevelt was victorious at four of these events, the last of which took place in 1944 in Chicago. For 10 points, name these events, with the most recent in July 2016 in Philadelphia, Pennsylvania, which saw Hillary Clinton as the winning candidate.
a) Primaries
b) Conventions
c) Debates
d) Rallies