<a href="https://en.wikipedia.org/wiki/Nuclear_weapons_testing" id="mwAQU" rel="mw:WikiLink" title="Nuclear weapons testing">Nuclear testing</a>: Pakistan responds to a series of nuclear tests by India with five of its own codenamed <i id="mwAQY"><a href="https://en.wikipedia.org/wiki/Chagai-I" id="mwAQc" rel="mw:WikiLink" title="Chagai-I">Chagai-I</a></i>, prompting the United States, Japan, and other nations to impose <a href="https://en.wikipedia.org/wiki/Economic_sanctions" id="mwAQg" rel="mw:WikiLink" title="Economic sanctions">economic sanctions</a>. Pakistan celebrates <a href="https://en.wikipedia.org/wiki/Youm-e-Takbir" id="mwAQk" rel="mw:WikiLink" title="Youm-e-Takbir">Youm-e-Takbir</a> annually.