1973:The Doctor Who 10th Anniversary story "The Three Doctors" is released, and reveals time travel was invented by some guy named Omega who got himself trapped in a parallel universe made of antimatter. Bob Baker and Dave Martin massively retcon the series' history.
1983:The Doctor Who 20th Anniversary story "The Five Doctors" is released, and reveals the Doctor's mentor Borusa has been a bad guy this whole time and that Rassilon, one of the founders of Time Lord society, is actually immortal. Terrance Dicks massively retcons the series' history.
1988:The Doctor Who 25th Anniversary story "Remembrance of the Daleks" is released, and reveals that ever since the first serial the Doctor has been hiding in ancient super weapon on earth to use against the Daleks, and may or may not be one of the founders of Time Lord society. Ben Aaronivich massively retcons the series' history.
1993:The Doctor Who 30th Anniversary story "Dimensions in Time" is released, and reveals the Doctor Who universe and the EastEnders universe are one and the same. John Nathan-Turner massively retcons the series' history.
2003:The Doctor Who 40th Anniversary audio "Zagreus" is released and reveals all the novels actually happened in an alternate universe. Gary Russel and Alan Barnes massively retcon the series' history.
2013:The Doctor Who 50th Anniversary story "Day of the Doctor" is released and reveals that Gallifrey was not destroyed by the Doctor but in fact tucked away into an alternate dimension. Steven Moffat somehow becomes the first writer in Doctor Who history to massively retcon the series' history on an anniversary.
"Steven Moffat doesn’t care about canon and continuity"
*Makes Big Finish canon, while set on a planet from Classic Who, and confirming how a past Doctor regenerated in 7 minutes*
*also points out that Eight point blank refused to join the war and instead chose to help the universe like a Doctor should and had to become a new man to feel like he could join and even then only when he had no other option*
Socialism:You have 2 cows and you give one to your neighbour.
Communism:You have 2 cows; the Government takes both and gives you some milk.
Fascism:You have 2 cows; the Government takes both and sells you some milk.
Nazism:You have 2 cows; the Government takes both and shoots you.
Bureaucratism:You have 2 cows; the Government takes both, shoots one, milks the other and throws the milk away..
Traditional Capitalism:You have 2 cows. You sell one and buy a bull. You herd multiplies, and the economy grows. You sell them and retire on the income.
An American Corporation:You have 2 cows. You sell one, and force the other to produce the milk of four cows. Later, you hire a consultant to analyse why the cow dropped dead.
A French Corporation:You have 2 cows. You go on strike because you want three cows.
Japanese Corporation:You have 2 cows. You redesign them so they are one-tenth the size of an ordinary cow and produce twenty times the milk. You then create a clever cow cartoon image called Cowkimon and market them Worldwide.
An Italian Corporation:You have 2 cows, but you don't know where they are. You break for lunch.
A Swiss Corporation:You have 5000 cows. None of which belong to you. You charge others for storing them.
Chinese Corporation:You have 2 cows. You have 300 people milking them. You claim full employment, high bovine productivity, and arrest the newsman who reported the numbers.
An Iraqi Corporation:Everyone thinks you have lots of cows. You tell them that you have none. No one believes you and they bomb your arse. You still have no cows, but at least now you are part of a Democracy.......
Counter Culture:'Wow, dig it, like there's these 2 cows, man, grazing in the hemp field. You gotta have some of this milk!'
Surrealism:You have two giraffes. The government requires you to take harmonica lessons.
Fatalist:You have 2 doomed cows...
A West-Country Corporation:You have 2 cows. That one on the left is kinda cute.
A Brazilian Corporation:You have 2 cows. You pay taxes for 6 cows. You have to sell one cow in order to pay the taxes. Your remaining cow gets sick and dies while waiting for availability in the public vet hospital.
Australian Corporation:You have 2 cows. Business seems pretty good. You close the office and go for a few beers to celebrate.
British Corporation:You have two cows. Both are mad.
Moffat:You have two cows. Both of them are your daughters time travelling from the past where they had a brief love affair with Da Vinci making you the rightful Queen of England.
An Irish Corporation:You have a million cows because they're fucking everywhere
Tumblr:You have 2 cows. You ship them together and make GIF posts screaming about how much you love your cows, but they should stop existing because they are so perfect.
Russian Corporation:You have two cows. You count them and learn you have five cows. You count them again and learn you have 42 cows. You count them again and learn you have 2 cows. You stop counting cows and open another bottle of Vodka.
Indian Corporation:You have two cows. Worship them.
Homestuck:You have two cows, both of which are paradox clones of the other. One cow dreams on Prospit, the other on Derse. They'll both reach God Tier someday, but only through a series of at first seemingly pointless time shenanigans that have a greater impact on the story than you'll ever realize. Doc Scratch is still an excellent host.
Inukami!:You have two cows. One is actually a horse, but SURPRISE it's actually a mule. The other cow gets naked all the time.. They investigate supernatural shenanigans and don't get paid shit for it, and there's at least one scene per episode where it seems like they're having sex. Spoiler: They never do.