Bring 5 Cups of water, to a boil in a 2 qt saucepan.
Add the onions to the boiling water for 2 minutes.
Drain the onions into a colander.
In a separate 2 qt saucepan combine the vinegar, sugar & spices. Bring the ingredients to a boil then reduce the heat to a simmer, cover and cook for 5 minutes.
Add the red onions to the vinegar. Simmer for 2 minutes, with the lid off
Remove pan from heat & let cool. Do not drain the liquid off.
Once the onions are cool. Store the onions and liquid in a airtight jar, refrigerate.