It was supposed to last a decade.
5 seconds
They ruled for 15 year. Not very long for ancient china.
The Soviet blockade of West Berlin, known as the Berlin Blockade lasted from 24 June 1948 - 12 May 1949.
The Nazi-Soviet pact was signed in August 23rd 1939. Hitler already began thinking about invading the USSR from as early as 1925, He explained about it in his autobiography "Mien Kampf". However, official Military Plans were made in May 1940. By the summer, secrete Soviet Spies in Nazi Occupied-France, Neutral Sweden and Nazi Germany heard about the Nazi plans of invading the USSR but due to hard precise evidence the exact date was never made until after May, which was the the 6th Guess the USSR made. It wasn't until 1 1/2 weeks before the Invasion which the USSR noticed German Armored vehicles and bikes began to form up. So the Nazi Soviet Pact existed from August 23rd 1939 and it wasn't until May 1940 when official Military Plans were made. That's a gap of around 7 months. Exact date of the first military plans of the Invasion of the USSR was never documented.
The Soviets felt it took too long for the allies to invade France.
not very long
There was never a real date the pact was supposed to last. Stalin knew that Germany would invade the Soviet Union, but he hoped they would invade some time around 1942 so that he could bring up his army in time.
About 5 or six bottles
Head gaskets are supposed to last the life of the engine. There is no "care" specific to head gaskets.
The zombie waves last forever.
12 minutes
5 seconds
4 to 9 years
They ruled for 15 year. Not very long for ancient china.
Took too long for the allies to invade France
No one ever wrote how long it was supposed to last but I am pretty sure they meant for it to last as long as the nation does.
Seaborgium is supposed to be a solid.