29E.76 之后在 2019 年，本次级方案实施了题为“日内瓦多边主义 100 年”的方案，利用纪念国际联盟成立 100 周年的契机，设计和协调了 20 个月的宣传、活动和信息产品，牵头跨部门工作并团结各类利益攸关方。
29E.76 Subsequently, in 2019, the subprogramme implemented a programme entitled “100 Years of Multilateralism in Geneva”, using the commemoration of the 100th anniversary of the creation of the League of Nations to design and coordinate communication activities, events and information products over 20 months, leading cross-departmental work and uniting diverse stakeholders.