Once every generation or so, the sky offers a reminder that human time is measured against something far older and more indifferent. On August 12, 2026, the Moon will pass before the Sun over northern Spain for the first time in 121 years, drawing a narrow corridor of totality from Galicia to the Balearic Islands and plunging afternoon into momentary darkness. It is an event that asks nothing of those who witness it except presence — and the patience to have waited a century.