| Name | When |
|---|---|
| Sweet Potato Awareness Month | Nov |
| Sweet Potato Day | Apr 1st Mon |
| Sweet Potato Month | Feb |
| National Sweet Tea Day | Aug 21 |
| National Sweet Vidalia Onion Month | May |
| Sweetest Day | Oct 3rd Sat |
| Swiss Beer Day (Switzerland) | Apr Last Fri |
| Swiss Cheese Day | Jan 2 |
| Swiss Roll Day (Sweden) | Aug 9 |
| Swiss Water Decaf Day | Jan 8 |
| National Swiss Winegrowers Day | Aug 29 |
| International Syrah Day | Feb 16 |
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