Ever since Jair Bolsonaro won the Brazilian presidency, speculation has swirled around what makes the choleric retired army captain run. No longer: It’s mothballs.

This week, Bolsonaro instructed the nation’s armed forces – to whom he still swoons, though he left their ranks for politics 30 years ago – to commemorate March 31. That’s the date, in 1964, when the military deposed an elected president, seized power and held on for the next 21 years.