April 11th was the 102nd day of the year. 20 events are present in the EventGuide database for the day:
| EveryApr 11 | National Pet Day | 
| EveryApr 11 | National Cheese Fondue Day | 
| EveryApr 11 | World Parkinson's Disease Day | 
| EveryApr 11 | Barbershop Quartet Day | 
| EveryApr 11 | Louie Louie Day | 
| EveryApr 11 | National 8-Track Tape Day | 
| Before... | Holy Saturday | 
| EveryApr 11 | International Day for Maternal Health & Rights#InternationalDayForMaternalH #DayForMaternalHealthAndRights More | 
| EveryApr 11 | World Breathing Day | 
| EveryApr 11 | Love My School Day | 
| EveryApr 11 | Donkey Kong Day | 
| EveryApr 11 | 411 Day | 
| EveryApr 11 | Free Julian Assange Day | 
| EveryApr 11 | National Submarine Day | 
| EveryApr 11 | National Poutine Day | 
| EveryApr 11 | Dog Therapy Appreciation Day | 
| 2nd Sat in Apr | Baby Massage Day | 
| EveryApr 11 | Most Boring Day | 
| EveryApr 11 | Feast Day of Saint Gemma Galgani | 
| EveryApr 11 | Dina Ali Day | 
Next year, April 11th falls on a Sunday. Last year, it fell on a Thursday.
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