Pentecost, also known as Whitsunday, will be celebrated on May 28 this year. The word has its roots in the Greek word 'pentecoste,' which means '50th day. ' Pentecost is a major festival in the Christian church and is celebrated by believers on the Sunday that falls on the 50th day of Easter.

Many Americans celebrate Armed Forces Day annually on the third Saturday of May. It is a day to pay tribute to men and women who serve the United States’ armed forces. Armed Forces Day is also part of Armed Forces Week, which begins on the second Saturday of May.

Mother’s Day is a holiday honoring motherhood that is observed in different forms throughout the world. In the United States, Mother’s Day 2023 will occur on Sunday, May 14. The American incarnation of Mother’s Day was created by Anna Jarvis in 1908 and became an official U.S. holiday in 1914.