Washington, July 5 -- Amid inclement weather and beneath a sky periodically illuminated by rolling thunderstorms, US President Donald Trump delivered a sweeping and emotionally charged address on the National Mall on Friday night, using the celebration of America's 250th anniversary to reflect on the nation's founding ideals while highlighting major economic gains, military strength and a renewed sense of national confidence under his administration.

Speaking before thousands gathered in the heart of the nation's capital, Trump blended historical symbolism with contemporary politics, portraying the semiquincentennial milestone as evidence of America's enduring resilience and a new era of prosperity and global leadership.

Flanked by histor...