National Library Workers Day is observed annually on the Tuesday of National Library Week.  This day is designated to honor all library staff and the valuable contributions that they make.  This day is part of National Library Week sponsored by the American Library Association.

Administrative Professionals Day (also known as Secretaries Day or Admin Day) is a day observed yearly in a small number of countries. It is not a public holiday in any of them. In some countries, it falls within Administrative Professionals Week (the last full week of April in the United States). The day recognizes the work of secretaries, administrative assistants, receptionists, client services…

Developed by the Take Our Daughters And Sons To Work Foundation, a 501(c)(3) non-profit educational organisation, the day revolves around parents taking their children to work to expose students to future job possibilities and the value of education.

OIC will have a booth at this event

On May 1 the United States officially recognizes Law Day. It is meant to reflect on the role of law in the foundation of the country and to recognize its importance for society.

Loyalty Day is observed annually on May 1st. In the United States, National Loyalty Day is a special holiday meant for the reaffirmation of loyalty to the United States of America, and for the recognition of the heritage of American freedom. ... Loyalty Day will be observed on Friday, May 1, 2020.

National Explosive Ordnance Disposal (EOD) Day is a United States (U.S.) observance held on the first Saturday in May. It honors members of the U.S. Armed Forces who have risked their lives in disposing explosives.

Cinco de Mayo is an annual celebration held on May 5. The date is observed to commemorate the Mexican Army's victory over the French Empire at the Battle of Puebla, on May 5, 1862, under the leadership of General Ignacio Zaragoza. Wikipedia Celebrations: Parades, food, music, folkloric dancing, battle reenactments Date: Tuesday, May 5, 2020 Significance: Celebration of the Mexican victory over French forces at…