Attacks on ships of noncombatant nations in the Persian Gulf sharply increased thereafter, with both nations attacking oil tankers and merchant ships of neutral nations in an effort to deprive their opponent of trade. The Iranian attacks against Saudi shipping led to Saudi F-15s shooting down a pair of F-4 Phantom II on 5 June 1984.
The 1984 Soviet Union tornado outbreak, also known as the 1984 Ivanovo tornado outbreak, was one of only three disastrous tornado outbreaks in modern Russian history (one of the others being the 1904 Moscow tornado) and the third-deadliest tornado outbreak in European history. Occurring on June 9, 1984, the outbreak struck the Ivanovo and Yaroslavl regions north of Moscow, an area over 400,000 km2. In all, the entire tornado outbreak killed at least 57 people (though the exact death toll is unknown) and injured 804.
On June 26, 1984 the Turkish Cypriot leader, Rauf Denktaş, admitted on British channel ITV that the bomb was placed by the Turks themselves in order to create tension.