All - Leep Calendar

National Submarine Day in the United States marks the anniversary of the US Navy’s acquisition of its first modern submarine, the Holland VI, on April 11, 1900. The Holland VI is not the first submarine to fight for the United States, however. The USS Alligator was deployed on June 13, 1862, during the American Civil War by Union forces and foundered on April 2, 1863. It was the fourth American naval vessel to carry its name. Prior to this, Colonial forces during the Revolutionary War used a human-powered submersible vehicle called the Turtle to wage war against the British Navy in New York harbor in 1776. The Turtle was the first submersible vehicle used in combat.

Africa

Apr

Big Wind Day (1934): April 12

06:20 AM | -

Today is the anniversary of the highest recorded wind gust felt by man in history, a record that stood for 62 years until 1996. It was in Mount Washington, New Hampshire, on April 12, 1934, that a wind gust of 231 miles per hour was recorded by staff at the Mount Washington Observatory. In 1996, during Typhoon Olivia, an unmanned station on Barrow Island in Australia clocked a wind gust at 253 miles per hour. Mount Washington continues to hold the record for the fastest wind gust experienced by man. The Barrow Island gust was recorded by machinery, not man.

Africa

Apr

Chaitra Navratri (H): April 12

06:20 AM | -

Chaitra Navratri begins on the ninth day of the Hindu month Chaitra. In the Gregorian calendar, it falls in March or April. It is the holiday for the worship of the goddess of power, Durga. PLEASE NOTE: We use the Indian civil calendar, the official holiday calendar in India. The Hindu faith has many calendars, each specific to different regions and tribes, with dates and celebrations marked by differing positions of the sun, moon, and stars. Names of months and holidays and the corresponding dates in the Gregorian Calendar may vary widely from one calendar to the next. Determine the proper calendar before attending local events.

Africa

Apr

Cheese Sandwich Day, Ntl. Grilled: April 12

06:20 AM | -

National Grilled Cheese Sandwich Day celebrates an American classic circa the 1920s, the grilled cheese sandwich. National Grilled Cheese Sandwich Day is an unofficial event with no sponsor.

Africa

Apr

Cherry Blossom Festival, Subaru Philadelphia (US-PA): April 12-14 (est)

06:20 AM | -

For centuries, Japan has celebrated the return of spring with hanami – parties beneath the blossoming cherry trees with food, drink, and entertainment. The Japan America Society of Greater Philadelphia has recreated this tradition in Philadelphia with the Subaru Cherry Blossom Festival. In addition to the star attraction and the cherry trees in full bloom, the festival features Japanese music, art, food, and culture.

Africa

Apr

Coachella Valley Music and Arts Festival (US-CA): April 12-21

06:20 AM | -

Coachella is an annual music and arts festival held over two weekends in Indio, California, United States. Coachella has since become one of the world's largest and most popular music festivals, with multiple stages featuring performances by a wide range of music artists, as well as art installations and other attractions. The festival is typically held over two weekends in April and draws a large crowd of music and art enthusiasts worldwide.

The exact dates for the festival can vary from year to year. The first Coachella Valley Music and Arts Festival occurred in October 1999.

PLEASE NOTE: Treat all televised and venue-specific events (sporting, concerts, trade shows, etc.) as estimated. Several factors can cause an event to move dates at the last minute, including weather, strikes, natural disasters, political upheaval, conflicting programming, pandemics, and current events. Because of this, always verify the event with the promotor before committing resources. LEEP often estimates dates based on the previous year's schedules, as the final dates are only a few months, weeks, or days before the event. If the date is known to be estimated, you will see an (est) following the date in the title.

Africa

Apr

DEAR Day, Ntl. (1916): April 12

06:20 AM | -

DEAR Day marks the anniversary of the birthday of scholastic author Beverly Cleary on April 12, 1916. She was the first person to write about the concept of DEAR, that is, Drop Everything And Read, in her sixth book of the Romona series, age 8, in 1981. Sponsored by the American Library Association, DEAR Day encourages parents to set aside time every day to read with their children.

Africa

Apr

Human Space Flight, Intl. Day of (1961): April 12

06:20 AM | -

International Human Space Flight Day celebrates the day humanity's dreams of space travel finally came true. On April 12, 1961, Russian cosmonaut Yuri Gagarin became the first man to fly into space and reach beyond the earth. It was a monumental event and kicked off the space race between the Soviet Union and the United States, a period that came to define the 1960s.

Africa

Apr

Licorice Day, Ntl.: April 12

06:20 AM | -

The licorice plant (technically a weed) and its roots go back thousands of years as a drug, spice, and remedy. Ancient Egyptians included large quantities of the herb in King Tut’s tomb, often in medicines to treat respiratory problems, gastrointestinal issues, and coughs. During the 18th century, the Dutch began creating candy with it. People often confuse anise with licorice, as they taste similar. However, licorice is a root, and anise is a seed that can be substituted for each other in recipes. National Licorice Day is an opportunity to explore the hundreds of varieties of licorice created today worldwide. Enjoy!

Africa

Apr

Silence (Day of), Intl.: April 12 (est)

06:20 AM | -

International Day of Silence is organized by GLSEN (Gay, Lesbian & Straight Education Network). It is a day of action through silence. Students across the country use a lack of speaking to call attention to the silencing effect of anti-LGBT bullying and harassment in schools and universities. This date may vary by location.

Africa

Apr

Street Children's Day, Intl.: April 12

06:20 AM | -

The Consortium for Street Children champions International Street Children's Day with a fresh focus each year. Millions of street-connected children suffer multiple and repeated violations of their rights daily. Their numbers continue growing worldwide due to conflicts, recession, natural disasters in Asia and Africa, and many other factors. International Street Children's Day raises awareness about the countless children living and sleeping on streets across the globe. International Day for Street Children presents an excellent opportunity for you or your organization to share your support in promoting street children's rights. This event first ran in 2011.

Africa

Apr

Walk on Your Wild Side Day: April 12

06:20 AM | -

Wellcat is known for its funky holidays, and Take a Walk on your Wild Side Day is another example. Today is the day to do what you dare, not what you should. Enjoy!

Africa

Apr

Yuri's Night (RU)(1961): April 12

06:20 AM | -

On April 12, 1961, Cosmonaut Yuri Gargarin entered history by becoming the first human being in space. The space race between the USSR and the USA was on, and it would not end until 1969 when a man would walk on the moon. Yuri's Night celebrates this first in human history.

Africa

Apr

Bahag Bihu (Assam) (H): April 13-14

06:20 AM | -

Bahag Bihu (Assam) or Rongali Bihu celebrates the coming of the new Assamese year and the arrival of spring. It is observed in Bengal, Manipur, Nepal, Orissa, Punjab, Kerala, and Tamil Nadu, although it’s known by different names depending on location. PLEASE NOTE: We use the Indian civil calendar, the official holiday calendar in India. The Hindu faith has many calendars, each specific to different regions and tribes, with dates and celebrations marked by differing positions of the sun, moon, and stars. Names of months and holidays and the corresponding dates in the Gregorian Calendar may vary widely from one calendar to the next. Determine the proper calendar before attending local events.

Africa

Apr

Blue & Green Spirit Week, Ntl.: April 6-12

06:20 AM | -

National Blue and Green Spirit Week began in 2021 and seeks to raise awareness of the importance of organ, eye, and tissue transplantation and donation. Today the public is encouraged to wear blue and green, hold events and fundraisers, and partner with local restaurants, malls, media, and community organizations to raise awareness.

Africa