Historical clue formulations

• Driest country in sub-Saharan Africa — 2025-03-09
• Home of some Bushmen — 2014-09-21
• Country that has two oryxes on its coat of arms — 2013-09-22
• Home of Walvis Bay — 2009-02-27
• Former German protectorate — 2005-09-03
• Windhoek is its capital — 2003-02-21
• U.N. member since 1990 — 2000-10-07