Just like many other dictators he did not die old. Some people speculate that he was assassinated, other think that the stress was too big for one person to handle and the dictator just collapsed. In any case, the news about his death was a tremendous shock for the nation. A part of the population was genuinely struck with grief; another part was celebrating this event as a moment of liberation. This means that this event was extremely controversial.
Considering funeral of Stalin, one should point out that it lasted for several days so that all people could pay their respect to him. However, this raises a legitimate question: was this respect sincere? It might be the case that many people came just because they were expected to do so and feared the government that did not go