Arshiya Khan

After a few years of selling their semi-sweet chocolate bars with a chopping tool (for easy chunking of the bar), Nestlé introduced chocolate "morsels" to the globe.

International Kangaroo Care Awareness Day (Kangaroo Mother Care or K.M.C. Day) was founded on May 15, 2011 by Yamile Jackson, Ph.D., P.E., P.M.P. in an effort to increase the global safety, implementation, research, awareness, and education regarding kangaroo care.

Family began with the earliest humans. Families are as important today as they were thousands of years ago, despite the fact that they appear different. In 1994, the United Nations deemed families significant enough to merit a day of observance, and thus designated May 15 as International Day of Families.

John Philip Sousa's autobiography "Marching Along" from 1928 states that 'The Stars and Stripes Forever' march was composed on Christmas Day, 1896.

Edwin Smith's papyrus from 2,500 B.C. contains the earliest record of spinal cord injuries. The ancient Egyptian physicians deemed the injury "untreatable."

In the 16th century, the Spanish were the first to colonise Paraguay. In 1537, on Ascension Day, the Spanish founded Asunción, the current capital of Paraguay. In 1776, King Carlos III of Spain founded the Viceroyalty of the Ro de la Plata, with its seat in Buenos Aires.

The concept of dating has changed drastically over time. Originally, the term 'dating' referred to a limited, frequently chaperoned courtship that led to marriage arrangements.

Even though the concept of living underground existed before 1974, when Malcolm Wells founded National Underground America Day, the topic gained national attention.