February
1–7 February (first week of February)
World Interfaith Harmony Week (A/RES/65/5)
March
21–27 March
Week of Solidarity with the Peoples Struggling against Racism and Racial Discrimination (A/RES/34/24)
April
24–30 April
May
6-12 May 2019 (biennially)
UN Global Road Safety Week [WHO]
25–31 May
Week of Solidarity with the Peoples of Non-Self-Governing Territories (A/RES/54/91)
August
1–7 August
World Breastfeeding Week [WHO]
October
4–10 October
World Space Week (A/RES/54/68)
24–30 October
Disarmament Week (A/RES/S-10/2 (p. 102))
November
6–12 November (the week in which 11 November falls)
International Week of Science and Peace (A/RES/43/61)