Earth day is celebrated on April 22 on more than  175 countries . This day is intended to inspire awareness & appreciation for the Earth's Nature Beauty

World Health Day is celebrated every year on 7th April under the sponsorship of the world health organization (WHO).

Jinnah's Birthday, officially known as Quaid-e-Azam Day; sometimes as Quaid Day, is a public holiday of Pakistan observed annually on 25 December across the country to celebrate the birthday of Muhammad Ali Jinnah, founder of Pakistan, known as Quaid-i-Azam ("Great Leader").