To retrieve the situation, the emperor launched a massed cavalry charge against the Russians.

Believing that the Xiongnu were a possible threat, the emperor launched a pre-emptive strike against the Xiongnu with the intention to expand his empire.

The Byzantine emperors launched invasions against the Kingdom of Hungary and regularly aided pretenders for the throne.

When the emperor of the rival state of Cao Wei, Cao Pi, launched his three-pronged campaign against Sun Quan, Zhu Huan was appointed by the latter as a commander; he resisted the invaders, and was credited for defeating the enemy Grand Marshal, Cao Ren, outside Ruxu fortress.

Starting in 249 C.E., various emperors launched a string of bloody persecutions, which included the troublesome Christians.

Far from retreating, the French emperor launched a dangerous counterattack on 1 February.

The empire's decline was shown in 450, where the emperor attempted to destroy the Northern Wei himself, and launched a massive invasion.

After the theatre governors failed to repel the invasion, the emperor took personal command and launched a major counter-attack.

Later in 383, Former Qin's emperor, Fu Jiān, launched a major attack against Jin, intending to destroy it and unite China.

The emperor of Cao Wei, Cao Pi, launched a multi-pronged invasion against Eastern Wu.