Events for April 18, 2026

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Mathematics and Statistics Awareness Month

Mathematics and Statistics Awareness Month is observed every April to increase public understanding and appreciation of math and statistics. Initiated in 1986 by President Reagan as Mathematics Awareness Week, it expanded to a month-long observance in 1999, highlighting the essential role of these fields in technology, medicine, data science, and...

National Welding Month

National Welding Month is celebrated every April since 1996 by the American Welding Society (AWS) to honor the skilled professionals who build, repair, and maintain the world’s infrastructure. From pipelines to skyscrapers, welding plays a critical role in shaping modern life and the economy. Why we celebrate it:We celebrate National...

World Heritage Day

The International Day for Monuments and Sites, also known as World Heritage Day, is observed every year on April 18 around the world. The day is dedicated to raising awareness about the importance of preserving cultural heritage and recognizing the value of monuments and historic sites across different cultures and...