Tryzub

All princes of the Kievan period had a common heraldic emblem: the Trident (Tryzub), which in various forms can be traced all the way to the second century of the new era, as archeological findings show.

Source: wiktionary

The community jumped on the group [a band]. […] Many have been trivial criticisms: directed at their use of English lyrics; their ostensible desecration of Ukrainian music (such as the punked up versions of Ногу, Ногу and Volya, and their use of a tryzub in the Pyrih logo – a punker kozak in dark glasses puffing on a pipe.

Source: wiktionary

The tryzub, which literally means "trident," is the Ukrainian national symbol and is by far the most common design found on the stones [in American cemeteries]. […] Other tryzubs have an upward pointed sword for the central part of the trident. The most common form of the tryzub is made of intertwined lines forming a never-ending loop. Many tryzubs are part of various emblems, such as the emblem for the Ukrainian National Republic of 1918 and emblems for various Ukrainian military divisions.

Source: wiktionary

From flag-toting pedestrians, to bumperstickers, to makeshift fliers, to buttons (znachki), the national symbol of Ukraine, the tryzub, and the Ukrainian blue-and-yellow flag were everywhere apparent.

Source: wiktionary