Independence Day in Conch Republic, Key West, Florida

Chemists Celebrate Earth Day in USA on April 22 (In 2003, the American Chemical Society joined in on April 22's festivities. Each year, ACS highlights one of four general topics and chooses a theme—this year it's "Our Earth: Handle With Care"—to focus the celebration and highlight how chemists can contribute to a greener world);

National Jelly Bean Day in USA on April 22;

Oklahoma Day on April 22 (1889);

National Cherry Cheesecake Day and National Picnic Day in USA on April 23;

National Lost Dog Awareness Day in US on April 23;

World Road Safety Week on April 23;

US Take Our Daughters and Sons to Work Day on April 23 (Held on the fourth Thursday in April);

World Labrador Day on April 23;

Pig in a Blanket Day on April 24;

Hug A Plumber Day on April 24;