The following collection of Isaiah's prophecies cannot be connected with any specific events in his ministry, which began around 740 BC and ended sometime between 701 and 686 BC.
Isaiah 24:1-23 - Destruction of the Earth
Isaiah 25:1-12 - Praise for Judgment and Salvation
Isaiah 26:1-19 - A Song of Praise to the LORD
Isaiah 26:20-27:13 - Restoration for Israel
Isaiah 29:1-24 - A Message about Jerusalem