A matriarchal take over

The Trung sisters lead the Vietnamese revolution to break away from China and establish their own independent state

New York Presbyterian

Emily and Elizabeth Blackwell (two of the first American women to receive their medical degree) founded the first hospital for women and children in the US.

Fearless and fierce

16 year old Stefania and six year old Helena Podgorska hid 13 Jews in the attic of their house in Poland during World War II, even though they lived right next door to an SS officer.

The immortal Delanys

Annie Elizabeth Delany was the second black female dentist in New York State and would give free dental exams to children in between looking after the teeth of famous civil rights leaders and authors.

Raksha Bandhan

On the full moon of the Hindu month of Shravana, which is usually July or August

Raksha Bandhan is a Hindy festival that celebrates the relationship between brothers and sisters.

Brothers and Sisters Day

May 31

An observation across Europe to acknowledge the special bond between brothers and sisters.

When referring to the noun in the singular possessive, use sister’s. To refer to the plural, sisters is used.

To be a loving sister means to be someone your siblings can rely on, a good example for them to follow, and a provider of unconditional love.

Other than referring to a nun, the word “sister” is a common noun and is lowercased unless it comes at the beginning of the sentence.

If you can't spend time with your sister in person, taking the time to call or send a card is the best gift you can give her. She'll love you just for making the effort!

Attentive listening is important through good times and bad. Empathy and attention can go a long way from one sister to another.

Try something new together. What better way to bond with your sister than to push some boundaries?

These sisters have both launched music careers as well as being at the center of separate popular reality TV shows.

The Olsen twins have had hugely successful careers as actors and fashion designers.

Originally known from the TV show Keeping Up With The Kardashians%2c these sisters are all hugely influential in modern-day popular culture.

These sisters have both built successful and respected music careers.

These sisters are socialites with a large influence on the fashion industry.

Arguments happen%2c but don't let them dictate your relationship. Take the day to reach out%2c fix any unresolved conflict%2c and strengthen your bond.

While it may seem like National Sisters Day is only for people who have biological sisters%2c your best friend can be just as close. Let her know how much you appreciate and love her with a sister's night out!

Life is busy%2c so use National Sisters Day as an opportunity to go through your old photos (and videos) and remember the good times.