This is a partial list of Ham Radio contests I managed to win. These contests usually involve contacting as many people as you can in a given time period, typically over 24 or 48 hours:

World Wide WPX  1979 Single operator, California, 7 mHz. Used a Create vertical.

ARRL DX Contest  1979 Orange Section of California, 28 mHz, SSB

ARRL DX Contest  1982 Orange Section of California, 3.5 mHz, CW

ARRL Sweepstakes  1987 Orange Section of California, CW, multioperator (N6PE + NET)

ARRL 160 Contest Orange Section of California, 1978, 79, 80, 81, 86, 87, 88, 90 98 and 99.

IARU Radiosport  1979 Orange Section of California, CW

IARU Radiosport  1982 Orange Section of California, mixed mode

California QSO Party 1979, 81, 86 and 88 Orange County.

Delta QSO Party 1978 High score Outside the Delta Division, 1979.
 
Washington State QSO Party 1978, 79, 80, 81 and 85 High Score California
 
ARRL DX Contest  1994 Multi-single, NA CW from XE2EBE with AA6DP & NF6H (N6RT).
 

Some lesser known contests: 

1978 Delaware QSL Party - California
1979 Florida QSO Party - California
1979 Illinois QSO Party - California
1980 Maine QSO Party - California
1979 and 1981 Minnesota QSO Party - Orange
1978 Missouri QSO Party - California
1979 New York QSO Party - California
1981 and 1987 Pennsylvania QSO Party - Orange
1978 Rocky Mountain QSO Party - Orange
1979 2-Land QSO Party - California, 1979
9 - Land QSO Party - California, 1980
0-Land QSO Party - Orange