Decade-long

Croatia joined the EU on July 1, 2013, following a decade-long accession process.

Chris Amon is often considered one of the unluckiest Formula One drivers ever. Whenever he was positioned to win a race, bad luck would interfere, ultimately preventing him from scoring a single victory. Amon himself, however, maintained that he counted himself lucky to have survived a decade-long F1 career mostly unscathed, while many of his fellow drivers suffered serious injury or death.

Biological oceanographer Paul Snelgrove, who participated in a decade-long global census of marine life a few years ago, notes that finding new species in the deep ocean is pretty common.

In the 19th and 20th centuries, Afghanistan experienced British and Soviet interventions, culminating in the Soviet invasion in 1979, which led to a decade-long conflict.

By 1960, NASA had sketched the outline for a decadelong effort toward unmanned and then manned lunar explorations, as well as sending spacecraft to Venus and Mars.