1979:
The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) included Grevy's zebras in its appendices, regulating their international trade.

2008:
The IUCN moved down the status of Mountain Zebras from Endangered to Vulnerable.

2010:
The UN General Assembly declared 2011-2020 as the United Nations Decade on Biodiversity, indirectly promoting zebra conservation efforts.

2015:
The UN adopted the Sustainable Development Goals, which include targets related to wildlife conservation.

2016:
The IUCN updated the status of the Plains zebra from Least Concern to Near Threatened.