But even their advocates take nothing for granted.
Hepatitis groups, patients and advocates worldwide take part in events on 28th July to mark the occasion.
Unsatisfied by a reasonable amount of wilderness, advocates take what they are offered but continue to want more.
With a strong background in the social issues affecting our populations, educators and advocates can take action towards a change.
Government officials are looking for ways to service Brazil's $108 billion debt, and some advocate taking a tough line with foreign banks.
Western advocates of population control have been taking their cues from Himmler a lot longer than you'd think.
In the past, advocates and scholars have taken pains to note there were more white families on welfare than black.
Some advocates for illegal immigrants took a more nuanced view.
Two other advocates will take part in a peacekeeping operation in Congo.
The advocates of a closer union are seeing their idea take shape in Brussels.