Three commonly found onion colours include yellow, red, and white.
Consuming parsley after eating onions can help alleviate onion breath.
The largest onion on was cultivated from Harrogate, UK, in 2014, as documented by the Guinness Book of World Records.
Onions served as a form of currency during mediaeval times, used for transactions and rent payments.
Ancient Egyptians revered onions, interpreting their round shape and concentric rings as symbols of eternity.
Cutting onions releases sulphuric acid, which interacts with eye moisture, causing tears.
Sliced onion can offer relief for insect bites and burns when applied to the affected skin.