National Day Calendar April 15 2025. Chose a month to view an observance and holiday calendar for that month in 2025. Da vinci represents tolerance, world peace, freedom of expression, and multiculturalism.

It’s a day for disgruntled, disappointed, and just plain displeased. Fri 4/12 sat 4/13 sun 4/14 mon 4/15 tue 4/16 wed 4/17 thu 4/18.