BUENOS AIRES, Argentina (AP) — Marches and protests were held Friday across the globe to mark International Women's Day under the slogan #BalanceforBetter, with calls for a more gender-balanced world.

The day, sponsored by the United Nations since 1975, celebrates women's achievements and aims to further their rights.

U.N. Secretary-General Antonio Guterres told a commemoration at U.N. headquarters in New York that "remarkable progress on women's rights and leadership" in recent decades has sparked a backlash from "an entrenched patriarchy."

And he warned that "nationalist, populist and auster...