- Endangered Species Day May 17
- Bike to Work Day May 17
- Mothers Day May 12
- World Migratory Bird Day May 11
- National Teachers Day May 7
- Kentucky Derby May 4
- National Day of Prayer May 2
- May Day May 1
- National Bicycle Day April 19
- National Haiku Poetry Day April 17
- National Pet Day April 11
- National Siblings Day April 10
- National War Savings Day June 28
- National Beer Day April 7
- International Tartan Day April 6
- National Walking Day April 3
- April Fools Day April 1
- National Love Your Pet Day February 20
- International Waffle Day March 25
- World Poetry Day March 21