lots of disclaimers and assumptions here:
1. Time travel works
2. You can participate a bit but not overtly change history (modified Butterfly Effect)
3. Generally keep it to last 100 years if possible
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1.Be an American GI at the Liberation of Paris in 1944 or VJ Day in Times Square a year later
2. Woodstock - with like a pound of 21st century grade weed and other party drugs ("weed is tight"), and solid rain gear
3. Lake Placid, 1980, USA-USSR hockey
4. Dealey Plaza on the day JFK got shot with enough time to station tiny security cameras at key locations and, then, with my eyes pealed on the Book Depository
1. Time travel works
2. You can participate a bit but not overtly change history (modified Butterfly Effect)
3. Generally keep it to last 100 years if possible
-----
1.Be an American GI at the Liberation of Paris in 1944 or VJ Day in Times Square a year later
2. Woodstock - with like a pound of 21st century grade weed and other party drugs ("weed is tight"), and solid rain gear
3. Lake Placid, 1980, USA-USSR hockey
4. Dealey Plaza on the day JFK got shot with enough time to station tiny security cameras at key locations and, then, with my eyes pealed on the Book Depository