International Women's Day, held every year on March 8, is a time for remembrance, awareness and action.
These themes were documented on Twitter, as various hashtags related to the day began to trend online Sunday, including #InternationalWomensDay, #IWD2015 and #HappyWomensDay.
We've rounded up a list of tweets from high-profile women (and their supporters) who are celebrating International Women's Day, and will continue to update it:
Happy International Women's Day pic.twitter.com/mKJ1OEpd5z— mia farrow (@MiaFarrow) March 8, 2015
International Women's Day, for equal rights for women AND men must be feminists.— Christiane Amanpour (@camanpour) March 8, 2015
Happy int'l women's day all and @sherylsandberg thanks for encouraging women to move forward.— Maria Bartiromo (@MariaBartiromo) March 8, 2015
» Inspiring Change for International Women’s Day 2015 http://t.co/XUR3sh6qhF— Yoko Ono (@yokoono) March 8, 2015
Gender Equality: We're simply #NotThere yet. http://t.co/gt1BsQppo4 pic.twitter.com/HGSIJ2UjAE— Vogue Magazine (@voguemagazine) March 8, 2015
I’m proud to support @ClintonFdn #NoCeilings campaign to inspire the full participation of women and girls. We’re close, but #NotThere yet.— Karlie Kloss (@karliekloss) March 8, 2015
Happy women’s day! To all women of the world of all shades and colours. Let’s embrace our uniqueness,… https://t.co/VVeJHLmYpT— Gisele Bündchen (@giseleofficial) March 8, 2015
We must stand up for Women's rights, education and health. Join me to make change happen. #IWD2015 pic.twitter.com/xaUcn92N2L— Victoria Beckham (@victoriabeckham) March 8, 2015
Happy International Women's Day!! Here are some of my favorite women all together my mom and many… https://t.co/n98vgUT1dU— Melissa Joan Hart (@MelissaJoanHart) March 8, 2015
Wings 1975. Celebrate Woman's Day Today. x Stella #womensday #IWD2015 https://t.co/AihGeEJdMz— Stella McCartney (@StellaMcCartney) March 8, 2015
girls rule— CHARLI XCX (@charli_xcx) March 8, 2015
No shortage of politicians, diplomats and government institutions also weighed in:
On #IWD2015 & every day, we all have responsibility to work together to advance rights of women & girls worldwide. http://t.co/berjrqzuDs— John Kerry (@JohnKerry) March 8, 2015
This #InternationalWomensDay let’s remember those who suffer appalling #sexualviolence in conflict. Rape in war cannot go unpunished— William Hague (@WilliamJHague) March 8, 2015
My International Women's Day: EU support #Afghan #Women leaders. The video: https://t.co/fajGxMI6Bg #IWD2015— Federica Mogherini (@FedericaMog) March 8, 2015
NYC is committed to being one of the safest places for women to live, learn, and grow. http://t.co/mPpzjTL68f #InternationalWomensDay— Bill de Blasio (@BilldeBlasio) March 8, 2015
#InspiredBy fast jet commander “You can achieve whatever you put your mind to” @womensday http://t.co/sKTNC6UChX pic.twitter.com/dW8mzCc4c6— Ministry of Defence (@DefenceHQ) March 8, 2015
Celebrating the strength of refugee women and girls on #IWD2015 - http://t.co/7bBbLx5SrT pic.twitter.com/FmVEZ3201C— UN Refugee Agency (@Refugees) March 8, 2015
Many sent tweets chronicling worldwide events for International Women's Day:
Modern and historical feminists turn up for #WIHS #InternationalWomensDay walk at London City Hall now pic.twitter.com/xZuGaBZgy9— Laurie Lee (@lauriejlee) March 8, 2015
To mark #IWD2015 @JustineGreening attended @careintuk #WIHS event, for girls & women trapped by daily trek for water pic.twitter.com/gooyXr4AB5— DFID (@DFID_UK) March 8, 2015
#Photos from #IAEA’s #InternationalWomensDay event:http://t.co/UKeiMWimPb more information: http://t.co/GRG1r5odyp pic.twitter.com/Zrykt9WuaZ— IAEA (@iaeaorg) March 8, 2015
Messages also came in from conflict areas, including Ukraine and Syria:
Have now seen Happy Women's Day messages spelled in bullets from both sides of the frontline in eastern Ukraine pic.twitter.com/U0f0j2IcV1— Alec Luhn (@ASLuhn) March 8, 2015
#International_Womens_day @BabatundeUNFPA: We cannot allow one in three girls to be married before reaching age18 #childmarriage— OCHA Syria (@OCHA_Syria) March 8, 2015
Happy International Women's Day From the #RBSS Team #Syria— الرقة تذبح بصمت (@Raqqa_Sl) March 8, 2015
Others took an opportunity to bring a little levity to the challenges that women face:
This is the kind of issue we need to discuss on International Women's Day. Not many men have to deal with this shit. pic.twitter.com/o10vQgTaHj— Brogan Driscoll (@Brogan_Driscoll) March 8, 2015
Happy International Women's Day! (especially to Elena and @AstroSamantha, the most international women of us all) pic.twitter.com/Wy3xAojmdZ— Chris Hadfield (@Cmdr_Hadfield) March 8, 2015