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Today is: April 21
Scroll to explore events active on this date.
For the current year, this month includes: 620 events.
Events In May 2025
Database of events, awareness days, holidays, and promotions occurring in May of this year.
May Events
Tourist Appreciation Day, Ntl.: May 6
Daily
National Tourist Appreciation Day occurs within National Travel and Tourism Week, the first full week of May. Though not officially part of the week, created by an act of Congress, many travel destinatio...
May
Towel Day, Intl.: May 25
Daily
International Towel Day celebrates the author Douglas Adams (Hitchhiker's Guide to the Galaxy) through the symbolic advice given in the book that towels are one of the most valuable items an intergalactic...
May
Toxic Encephalopathy and Chemical Injury A...
Monthly
National Toxic Encephalopathy & Chemical Injury Awareness Month is promoted by the National Toxic Encephalopathy Foundation to raise awareness of the dangers of exposure to natural and manmade toxic subst...
May
Trade Month, World: May
Monthly
National World Trade Week is the whole third week of May in the United States. First proclaimed by President Roosevelt in 1935 to promote international trade with the United States. During this week, a...
May
Train Day, Ntl (1971): May 10
Daily
Train Day began in 2008 to honor the anniversary of the creation of Amtrak on May 1, 1971, and encourage Americans to discover their country and travel by train. The First Transcontinental Railroad was...
May
Transportation Week, Ntl.: May 11-17
Weekly
National Transportation Week recognizes our nation's transportation infrastructure and the men and women who build, maintain, and utilize it. In 1957. by joint resolution, Congress requested the Preside...
May
Travel and Tourism Week, Ntl.: May 4-10
Weekly
The first full week of May is National Travel and Tourism Week, a tradition since 1984, created by a Congressional joint resolution passed in 1983. The United States travel and tourism community has col...
May
Triple Crown: May 3 - June 7
Monthly
The Triple Crown of Thoroughbred Racing is a title that's awarded to a three-year-old thoroughbred horse who wins the Kentucky Derby, the Preakness Stakes, and the Belmont Stakes. The Kentucky Derby is th...
May
Truffle Day: May 2
Daily
Truffle Day celebrates truffles, the chocolate candy with a sweet or nutty filling. These candy box delights first appeared in the 1920s in Europe and came in three key varieties: American, European, and...
May
Truman Day (1884): May 8
Daily
Truman Day celebrates the birthday of Harry S. Truman, the 33rd President of the United States. Born May 8, 1884, he served as a Senator from Missouri, as Vice President, and following the death of Frankl...
May
Tuba Day, Intl.: May 2
Daily
The first Friday of May each year is International Tuba Day. Joel Day created International Tuba Day in 1979 while still a student at Philadelphia's Lower Merion High School. As one of only two tuba pla...
May
Tuberous Sclerosis Awareness Month: May
Monthly
The Tuberous Sclerosis Alliance promotes Tuberous Sclerosis Awareness Month. TSC is a genetic disorder that causes tumors in various organs, primarily the brain, eyes, heart, kidneys, skin, and lungs, and...
May
Tuna Day, World: May 2
Daily
World Tuna Day is a day that commemorates the fish most commonly used in cooking, the tuna. In 2017 the United Nations officially added World Tuna Day to its dossier of awareness campaigns, recognizing th...
May
Turtle Day, World: May 23
Daily
The American Tortoise Rescue (ATR) champions World Turtle Day, a nonprofit organization established in 1990 for the protection of all species of tortoise and turtle. ATR launched World Turtle Day to inc...
May
Twilight Zone Day (1908): May 11
Daily
On May 11, 1908, the first National Gathering of Governors occurred. The president at the time was Teddy Roosevelt. The day commemorates the coming together of the nation's governors and the decisions mad...
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