When is International Widows' Day in United States?

June 1, Statehood Day June 1, Global Day of Parents June 3, Jefferson Davis' Birthday June 4, International Day of Innocent Children Victims of Aggression June 5, World Environment Day June 6, D-Day June 8, World Oceans Day June 8, Belmont Stakes June 11, Kamehameha Day June 12, Shavuot June 12, World Day Against Child Labour June 13, International Albinism Awareness Day June 14, Army Birthday June 14, Flag Day June 14, World Blood Donor Day June 15, World Elder Abuse Awareness Day June 16, International Day of Family Remittances June 16, Father's Day June 16, Bunker Hill Day June 17, Eid al-Adha June 17, World Day to Combat Desertification and Drought June 19, Juneteenth June 19, International Day for the Elimination of Sexual Violence in Conflict June 19, Emancipation Day June 20, World Refugee Day June 20, June Solstice June 20, West Virginia Day June 20, American Eagle Day June 21, International Day of Yoga June 23, Public Service Day June 23, International Widows' Day June 25, Day of the Seafarer June 26, International Day Against Drug Abuse and Illicit Trafficking June 26, International Day in Support of Victims of Torture June 30, International Asteroid Day