"April's Fool!" in as many languages as possible!

French: Poisson d'avril!
Ruby: puts "April's Fool!"
Python: print "April's Fool!"
O'Caml: print_endline "April's Fool!"
Forth: ." April's Fool!" CR BYE

Danish: Aprils nar
l33t: 4pri|z f00 !
c++ : std::cout << "April's fool"

[cloverm]

Java: out.println("April's Fool"
JavaScript: document.writeln("April's Fool"

Hungarian: Április bolondja

[ndogg]

Scheme: (cons 'April '(Fools!))
Prolog: AprilFools(Date) :- GetMonth(Date,MM),MM==april,GetDay(Date,DD),DD==1. /* I am not that good at Prolog, so if anyone sees anything wrong with this, please fix it. */
Linux Kernel Module:

#include <linux/kernel.h>
#include <linux/module.h>

#if CONFIG_MODVERSIONS==1
#define MODVERSIONS
#include <linux/modversions.h>
#endif * * * *



/* Initialize the module */
int init_module()
{
 *printk("Happy April Fools!\n");
 *return 0;
}


/* Cleanup - undid whatever init_module did */
void cleanup_module()
{
 *printk("Short is the life of a kernel module\n");
}

Brainfuck:
>+++++++++++++[->+++++<]>.
[->++<]>>+++[-<------>]<.+
+.---------.+++.>++++[->++++++++<]>.[->++<]>++++++.>
++++++++++[-<++++>]<+..---
.+++++++.>+++++++++++[->+++<]>.>++++++++++.

[boblucci]

is'nt it April Fool's ???

[ndogg]

is'nt it April Fool's ???

That's what youuuuuuuuu think...

[airhead]

Here is the best I can do since GnuVince did Python
English: April Fools!

[Compunuts]

In C;

if (date==april-01)
printf ("\nApril Fool's day!\n"
else
printf("\nNormal Day!\n"
return 0;

[kenshi]

French: Poisson d'avril!

So that's what that means! It's a Groovy Aardvark song. I always thought it meant April's fish. (For those who don't know French, poisson does mean fish.)

.data
string db 'April fools!', 010h

.code
__start:
push 0Dh ; length of string
push string ; address of string
push 01h ; file descriptor for stdout
mov eax,04h ; sys_write
call kernel

push 0
mov eax,01h ; exit
call kernel

kernel:
int 080h
ret

That's designed for FreeBSD by the way, not Linux.

[Kint]

Quebecker :
Hey Ginette, c'est quel jour aujourd'hui? Quoi? De quoi tu parles esti? Poésson d'Avri? C't'aujourd'hui ca? Han? Ah ben ciboire...