May is Asian Pacific American Heritage Month in the United States. The month of May was chosen to commemorate the immigration of the first Japanese to the United States on May 7, 1843, and to mark the anniversary of the completion of the transcontinental railroad on May 10, 1869. The majority of the workers who laid the tracks on the project were Chinese immigrants.
May is Military Appreciation Month - celebrated every May and is a declaration that encourages U.S. citizens to observe the month in a symbol of unity. NMAM honors current and former members of the U.S. Armed Forces, including those who have died in the pursuit of freedom.
May is Older Americans Month, established in 1963 to honor the legacies and contributions of older Americans and to support them as they enter their next stage of life.
May is Jewish American Heritage Month, which recognizes the diverse contributions of the Jewish people to American culture.
May is Mental Health Awareness Month (or Mental Health Month), which aims to raise awareness and educate the public about mental illnesses and reduce the stigma that surrounds mental illnesses.