There is a Japanese concept — 物の哀れ (mono no aware) — the bittersweet awareness that beautiful things do not last. It is most often illustrated with cherry blossoms, which open for perhaps a week before the wind takes them. Hideyoshi, who had fought his entire life to build something permanent, chose them as the backdrop for his last great display of power.

The party at 醍醐寺 (Daigo-ji) Temple on April 20, 1598, was not a party in any casual sense. It was a political statement conducted at imperial scale. 豊臣秀吉 (Toyotomi Hideyoshi) had approximately 700 cherry trees of varied varieties planted in the grounds of 三宝院 (Sanbo-in), a sub-temple complex whose garden he had ordered redesigned expressly for this occasion. The trees were chosen for succession of bloom — different varieties timed to extend the color across more days, so the mountain would not fall bare too soon.

About 1,300 guests attended. The guest list was not social; it was a map of Japanese power. Hideyoshi's legal wife 高台院 (Kodai-in, also called Kita no Mandokoro) was present. His principal concubine 淀殿 (Yodo-dono), mother of the heir, was present. The wives of the major daimyo — the lords whose loyalty held the realm together — attended in their finest dress. And walking among them for the first time before an assembled court was 豊臣秀頼 (Toyotomi Hideyori), age five, the child Hideyoshi had waited until his fifties to produce and now needed the world to see.

The procession of palanquins was recorded in order of precedence. This was not a minor detail. At a gathering of this kind, who walked where and who received which cup in which sequence encoded the political hierarchy of Japan. The order was a message, and everyone present could read it.

Somewhere along the path, a dispute broke out between 淀殿 (Yodo-dono) and another concubine, 松の丸殿 (Matsunomaru-dono), over the sequence in which the ceremonial cup was passed after the legal wife. The argument required the intervention of 芳春院 (Hoshunin), wife of the great lord 前田利家 (Maeda Toshiie), before it could be resolved. Even on the most carefully choreographed day of the year, the household tensions at the heart of Toyotomi rule were visible to anyone watching.

Hideyoshi had rebuilt 醍醐寺 (Daigo-ji) himself — funded its restoration after the temple was devastated during the 戦国 (Sengoku) wars. It was a thousand-year-old institution, and he had put his name on it. Hosting this party in its garden was a final annotation: this man from peasant origins had shaped the most ancient things in Japan.

But the cherry blossoms knew what the guests did not say. Hideyoshi was ill — seriously, perhaps fatally, though the nature of his illness remains uncertain. His great Korean campaigns, launched in 1592 and 1597, had been costly disasters, bleeding Japan's resources and goodwill. His heir was five years old. His hold on the loyalty of the assembled lords was entirely personal — there was no institutional structure that would survive him. All of it rested on the fact that he was still alive, still the most feared and celebrated man in Japan.

He died on September 18, 1598, exactly five months after the cherry blossom party. Among his final instructions to the Council of Five Elders — the 五大老 (Go-Tairo) — was a letter that read simply: "I have no words. Hideyori I commend to your care."

The Korean campaigns were abandoned immediately. The lords came home. And the man Hideyoshi had trusted most — 徳川家康 (Tokugawa Ieyasu), one of the Five Elders, a loyal retainer who had been present at 醍醐 (Daigo) that April day — began quietly assembling the alliances that would, two years later, make him master of Japan at 関ヶ原 (Sekigahara).

秀頼 (Hideyori), the small boy displayed so proudly under the blossoms, grew up in 大阪城 (Osaka-jō) as the Tokugawa consolidated their hold on the country. In 1615, Ieyasu's forces besieged the castle. Hideyori died in the ruins. He was twenty-one.

The garden at 三宝院 (Sanbo-in) still exists. It is still one of the great Momoyama-period gardens in Japan, its 700-year-old design largely intact. Every April, visitors walk the same mountain path under cherry blossoms, past the same pond and islands and stone bridges Hideyoshi commissioned for one perfect afternoon that could not last.

Some accounts hold that the three-colored rice dumplings eaten during cherry blossom season across Japan today — 花見団子 (hanami dango), pink, white, and green — were invented for this party. The claim is popular tradition rather than confirmed history. But the idea is fitting: that Japan's most universal spring snack might trace its origin to the last great flourish of a man who had everything and knew, under the blooms, that none of it would hold.